20059846520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{10631}}^1$

素因数の和:10965

約数の個数: 128

約数和(自身を含む): 54013962240

約数和(自身を除く): 33954115720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 293, 322, 460, 586, 644, 805, 920, 1172, 1288, 1465, 1610, 2051, 2344, 2930, 3220, 4102, 5860, 6440, 6739, 8204, 10255, 10631, 11720, 13478, 16408, 20510, 21262, 26956, 33695, 41020, 42524, 47173, 53155, 53912, 67390, 74417, 82040, 85048, 94346, 106310, 134780, 148834, 188692, 212620, 235865, 244513, 269560, 297668, 372085, 377384, 425240, 471730, 489026, 595336, 744170, 943460, 978052, 1222565, 1488340, 1711591, 1886920, 1956104, 2445130, 2976680, 3114883, 3423182, 4890260, 6229766, 6846364, 8557955, 9780520, 12459532, 13692728, 15574415, 17115910, 21804181, 24919064, 31148830, 34231820, 43608362, 62297660, 68463640, 71642309, 87216724, 109020905, 124595320, 143284618, 174433448, 218041810, 286569236, 358211545, 436083620, 501496163, 573138472, 716423090, 872167240, 1002992326, 1432846180, 2005984652, 2507480815, 2865692360, 4011969304, 5014961630, 10029923260, 20059846520]

約数ペア:

[(1, 20059846520), (2, 10029923260), (4, 5014961630), (5, 4011969304), (7, 2865692360), (8, 2507480815), (10, 2005984652), (14, 1432846180), (20, 1002992326), (23, 872167240), (28, 716423090), (35, 573138472), (40, 501496163), (46, 436083620), (56, 358211545), (70, 286569236), (92, 218041810), (115, 174433448), (140, 143284618), (161, 124595320), (184, 109020905), (230, 87216724), (280, 71642309), (293, 68463640), (322, 62297660), (460, 43608362), (586, 34231820), (644, 31148830), (805, 24919064), (920, 21804181), (1172, 17115910), (1288, 15574415), (1465, 13692728), (1610, 12459532), (2051, 9780520), (2344, 8557955), (2930, 6846364), (3220, 6229766), (4102, 4890260), (5860, 3423182), (6440, 3114883), (6739, 2976680), (8204, 2445130), (10255, 1956104), (10631, 1886920), (11720, 1711591), (13478, 1488340), (16408, 1222565), (20510, 978052), (21262, 943460), (26956, 744170), (33695, 595336), (41020, 489026), (42524, 471730), (47173, 425240), (53155, 377384), (53912, 372085), (67390, 297668), (74417, 269560), (82040, 244513), (85048, 235865), (94346, 212620), (106310, 188692), (134780, 148834)]