20677812820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 288

約数和(自身を含む): 55135696896

約数和(自身を除く): 34457884076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 101, 115, 124, 140, 155, 161, 196, 202, 217, 230, 245, 293, 310, 322, 404, 434, 460, 490, 505, 586, 620, 644, 707, 713, 805, 868, 980, 1010, 1085, 1127, 1172, 1414, 1426, 1465, 1519, 1610, 2020, 2051, 2170, 2254, 2323, 2828, 2852, 2930, 3038, 3131, 3220, 3535, 3565, 4102, 4340, 4508, 4646, 4949, 4991, 5635, 5860, 6076, 6262, 6739, 7070, 7130, 7595, 8204, 9083, 9292, 9898, 9982, 10255, 11270, 11615, 12524, 13478, 14140, 14260, 14357, 15190, 15655, 16261, 18166, 19796, 19964, 20510, 21917, 22540, 23230, 24745, 24955, 26956, 28714, 29593, 30380, 31310, 32522, 33695, 34937, 36332, 41020, 43834, 45415, 46460, 47173, 49490, 49910, 57428, 59186, 62620, 63581, 65044, 67390, 69874, 71785, 72013, 81305, 87668, 90830, 94346, 98980, 99820, 109585, 113827, 118372, 127162, 134780, 139748, 143570, 144026, 147965, 153419, 162610, 174685, 181660, 188692, 207151, 208909, 219170, 227654, 235865, 254324, 287140, 288052, 295930, 306838, 317905, 325220, 330211, 349370, 360065, 414302, 417818, 438340, 445067, 455308, 471730, 504091, 569135, 591860, 613676, 635810, 660422, 680639, 698740, 720130, 767095, 828604, 835636, 890134, 917383, 943460, 1008182, 1035755, 1044545, 1138270, 1271620, 1320844, 1361278, 1440260, 1450057, 1462363, 1534190, 1651055, 1780268, 1834766, 2016364, 2071510, 2089090, 2225335, 2276540, 2520455, 2722556, 2900114, 2924726, 3068380, 3302110, 3403195, 3528637, 3669532, 4143020, 4178180, 4450670, 4586915, 4764473, 5040910, 5800228, 5849452, 6421681, 6604220, 6806390, 7057274, 7250285, 7311815, 8901340, 9173830, 9528946, 10081820, 10236541, 12843362, 13612780, 14114548, 14500570, 14623630, 17643185, 18347660, 19057892, 20473082, 21099809, 23822365, 25686724, 29001140, 29247260, 32108405, 33351311, 35286370, 40946164, 42199618, 44951767, 47644730, 51182705, 64216810, 66702622, 70572740, 84399236, 89903534, 95289460, 102365410, 105499045, 128433620, 133405244, 147698663, 166756555, 179807068, 204730820, 210998090, 224758835, 295397326, 333513110, 421996180, 449517670, 590794652, 667026220, 738493315, 899035340, 1033890641, 1476986630, 2067781282, 2953973260, 4135562564, 5169453205, 10338906410, 20677812820]

約数ペア:

[(1, 20677812820), (2, 10338906410), (4, 5169453205), (5, 4135562564), (7, 2953973260), (10, 2067781282), (14, 1476986630), (20, 1033890641), (23, 899035340), (28, 738493315), (31, 667026220), (35, 590794652), (46, 449517670), (49, 421996180), (62, 333513110), (70, 295397326), (92, 224758835), (98, 210998090), (101, 204730820), (115, 179807068), (124, 166756555), (140, 147698663), (155, 133405244), (161, 128433620), (196, 105499045), (202, 102365410), (217, 95289460), (230, 89903534), (245, 84399236), (293, 70572740), (310, 66702622), (322, 64216810), (404, 51182705), (434, 47644730), (460, 44951767), (490, 42199618), (505, 40946164), (586, 35286370), (620, 33351311), (644, 32108405), (707, 29247260), (713, 29001140), (805, 25686724), (868, 23822365), (980, 21099809), (1010, 20473082), (1085, 19057892), (1127, 18347660), (1172, 17643185), (1414, 14623630), (1426, 14500570), (1465, 14114548), (1519, 13612780), (1610, 12843362), (2020, 10236541), (2051, 10081820), (2170, 9528946), (2254, 9173830), (2323, 8901340), (2828, 7311815), (2852, 7250285), (2930, 7057274), (3038, 6806390), (3131, 6604220), (3220, 6421681), (3535, 5849452), (3565, 5800228), (4102, 5040910), (4340, 4764473), (4508, 4586915), (4646, 4450670), (4949, 4178180), (4991, 4143020), (5635, 3669532), (5860, 3528637), (6076, 3403195), (6262, 3302110), (6739, 3068380), (7070, 2924726), (7130, 2900114), (7595, 2722556), (8204, 2520455), (9083, 2276540), (9292, 2225335), (9898, 2089090), (9982, 2071510), (10255, 2016364), (11270, 1834766), (11615, 1780268), (12524, 1651055), (13478, 1534190), (14140, 1462363), (14260, 1450057), (14357, 1440260), (15190, 1361278), (15655, 1320844), (16261, 1271620), (18166, 1138270), (19796, 1044545), (19964, 1035755), (20510, 1008182), (21917, 943460), (22540, 917383), (23230, 890134), (24745, 835636), (24955, 828604), (26956, 767095), (28714, 720130), (29593, 698740), (30380, 680639), (31310, 660422), (32522, 635810), (33695, 613676), (34937, 591860), (36332, 569135), (41020, 504091), (43834, 471730), (45415, 455308), (46460, 445067), (47173, 438340), (49490, 417818), (49910, 414302), (57428, 360065), (59186, 349370), (62620, 330211), (63581, 325220), (65044, 317905), (67390, 306838), (69874, 295930), (71785, 288052), (72013, 287140), (81305, 254324), (87668, 235865), (90830, 227654), (94346, 219170), (98980, 208909), (99820, 207151), (109585, 188692), (113827, 181660), (118372, 174685), (127162, 162610), (134780, 153419), (139748, 147965), (143570, 144026)]