20121247132

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 42078960000

約数和(自身を除く): 21957712868

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 229, 241, 406, 449, 458, 482, 812, 898, 916, 964, 1603, 1687, 1796, 3143, 3206, 3374, 6286, 6412, 6641, 6748, 6989, 12572, 13021, 13282, 13978, 26042, 26564, 27956, 46487, 48923, 52084, 55189, 91147, 92974, 97846, 102821, 108209, 110378, 182294, 185948, 195692, 205642, 216418, 220756, 364588, 386323, 411284, 432836, 719747, 757463, 772646, 1439494, 1514926, 1545292, 1600481, 2878988, 2981809, 3029852, 3138061, 3200962, 5963618, 6276122, 6401924, 11203367, 11927236, 12552244, 20872663, 21966427, 22406734, 24779861, 41745326, 43932854, 44813468, 49559722, 83490652, 87865708, 99119444, 173459027, 346918054, 693836108, 718615969, 1437231938, 2874463876, 5030311783, 10060623566, 20121247132]

約数ペア:

[(1, 20121247132), (2, 10060623566), (4, 5030311783), (7, 2874463876), (14, 1437231938), (28, 718615969), (29, 693836108), (58, 346918054), (116, 173459027), (203, 99119444), (229, 87865708), (241, 83490652), (406, 49559722), (449, 44813468), (458, 43932854), (482, 41745326), (812, 24779861), (898, 22406734), (916, 21966427), (964, 20872663), (1603, 12552244), (1687, 11927236), (1796, 11203367), (3143, 6401924), (3206, 6276122), (3374, 5963618), (6286, 3200962), (6412, 3138061), (6641, 3029852), (6748, 2981809), (6989, 2878988), (12572, 1600481), (13021, 1545292), (13282, 1514926), (13978, 1439494), (26042, 772646), (26564, 757463), (27956, 719747), (46487, 432836), (48923, 411284), (52084, 386323), (55189, 364588), (91147, 220756), (92974, 216418), (97846, 205642), (102821, 195692), (108209, 185948), (110378, 182294)]