20007858780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{33013}}^1$

素因数の和:33085

約数の個数: 288

約数和(自身を含む): 76717140864

約数和(自身を除く): 56709282084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 105, 111, 117, 126, 130, 140, 148, 156, 180, 182, 185, 195, 210, 222, 234, 252, 259, 260, 273, 315, 333, 364, 370, 390, 420, 444, 455, 468, 481, 518, 546, 555, 585, 630, 666, 740, 777, 780, 819, 910, 962, 1036, 1092, 1110, 1170, 1260, 1295, 1332, 1365, 1443, 1554, 1638, 1665, 1820, 1924, 2220, 2331, 2340, 2405, 2590, 2730, 2886, 3108, 3276, 3330, 3367, 3885, 4095, 4329, 4662, 4810, 5180, 5460, 5772, 6660, 6734, 7215, 7770, 8190, 8658, 9324, 9620, 10101, 11655, 13468, 14430, 15540, 16380, 16835, 17316, 20202, 21645, 23310, 28860, 30303, 33013, 33670, 40404, 43290, 46620, 50505, 60606, 66026, 67340, 86580, 99039, 101010, 121212, 132052, 151515, 165065, 198078, 202020, 231091, 297117, 303030, 330130, 396156, 429169, 462182, 495195, 594234, 606060, 660260, 693273, 858338, 924364, 990390, 1155455, 1188468, 1221481, 1287507, 1386546, 1485585, 1716676, 1980780, 2079819, 2145845, 2310910, 2442962, 2575014, 2773092, 2971170, 3004183, 3466365, 3664443, 3862521, 4159638, 4291690, 4621820, 4885924, 5150028, 5942340, 6008366, 6107405, 6437535, 6932730, 7328886, 7725042, 8319276, 8550367, 8583380, 9012549, 10399095, 10993329, 12016732, 12214810, 12875070, 13865460, 14657772, 15020915, 15450084, 15879253, 17100734, 18025098, 18322215, 19312605, 20798190, 21986658, 24429620, 25651101, 25750140, 27037647, 30041830, 31758506, 34201468, 36050196, 36644430, 38625210, 41596380, 42751835, 43973316, 45062745, 47637759, 51302202, 54075294, 54966645, 60083660, 63517012, 73288860, 76953303, 77250420, 79396265, 85503670, 90125490, 95275518, 102604404, 108150588, 109933290, 111154771, 128255505, 135188235, 142913277, 153906606, 158792530, 171007340, 180250980, 190551036, 219866580, 222309542, 238188795, 256511010, 270376470, 285826554, 307813212, 317585060, 333464313, 384766515, 444619084, 476377590, 513022020, 540752940, 555773855, 571653108, 666928626, 714566385, 769533030, 952755180, 1000392939, 1111547710, 1333857252, 1429132770, 1539066060, 1667321565, 2000785878, 2223095420, 2858265540, 3334643130, 4001571756, 5001964695, 6669286260, 10003929390, 20007858780]

約数ペア:

[(1, 20007858780), (2, 10003929390), (3, 6669286260), (4, 5001964695), (5, 4001571756), (6, 3334643130), (7, 2858265540), (9, 2223095420), (10, 2000785878), (12, 1667321565), (13, 1539066060), (14, 1429132770), (15, 1333857252), (18, 1111547710), (20, 1000392939), (21, 952755180), (26, 769533030), (28, 714566385), (30, 666928626), (35, 571653108), (36, 555773855), (37, 540752940), (39, 513022020), (42, 476377590), (45, 444619084), (52, 384766515), (60, 333464313), (63, 317585060), (65, 307813212), (70, 285826554), (74, 270376470), (78, 256511010), (84, 238188795), (90, 222309542), (91, 219866580), (105, 190551036), (111, 180250980), (117, 171007340), (126, 158792530), (130, 153906606), (140, 142913277), (148, 135188235), (156, 128255505), (180, 111154771), (182, 109933290), (185, 108150588), (195, 102604404), (210, 95275518), (222, 90125490), (234, 85503670), (252, 79396265), (259, 77250420), (260, 76953303), (273, 73288860), (315, 63517012), (333, 60083660), (364, 54966645), (370, 54075294), (390, 51302202), (420, 47637759), (444, 45062745), (455, 43973316), (468, 42751835), (481, 41596380), (518, 38625210), (546, 36644430), (555, 36050196), (585, 34201468), (630, 31758506), (666, 30041830), (740, 27037647), (777, 25750140), (780, 25651101), (819, 24429620), (910, 21986658), (962, 20798190), (1036, 19312605), (1092, 18322215), (1110, 18025098), (1170, 17100734), (1260, 15879253), (1295, 15450084), (1332, 15020915), (1365, 14657772), (1443, 13865460), (1554, 12875070), (1638, 12214810), (1665, 12016732), (1820, 10993329), (1924, 10399095), (2220, 9012549), (2331, 8583380), (2340, 8550367), (2405, 8319276), (2590, 7725042), (2730, 7328886), (2886, 6932730), (3108, 6437535), (3276, 6107405), (3330, 6008366), (3367, 5942340), (3885, 5150028), (4095, 4885924), (4329, 4621820), (4662, 4291690), (4810, 4159638), (5180, 3862521), (5460, 3664443), (5772, 3466365), (6660, 3004183), (6734, 2971170), (7215, 2773092), (7770, 2575014), (8190, 2442962), (8658, 2310910), (9324, 2145845), (9620, 2079819), (10101, 1980780), (11655, 1716676), (13468, 1485585), (14430, 1386546), (15540, 1287507), (16380, 1221481), (16835, 1188468), (17316, 1155455), (20202, 990390), (21645, 924364), (23310, 858338), (28860, 693273), (30303, 660260), (33013, 606060), (33670, 594234), (40404, 495195), (43290, 462182), (46620, 429169), (50505, 396156), (60606, 330130), (66026, 303030), (67340, 297117), (86580, 231091), (99039, 202020), (101010, 198078), (121212, 165065), (132052, 151515)]