20235767258

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{863}}^1$

素因数の和:1169

約数の個数: 80

約数和(自身を含む): 37462590720

約数和(自身を除く): 17226823462

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 257, 266, 343, 514, 686, 863, 931, 1726, 1799, 1862, 2401, 3598, 4802, 4883, 6041, 6517, 9766, 12082, 12593, 13034, 16397, 25186, 32794, 34181, 42287, 45619, 68362, 84574, 88151, 91238, 114779, 176302, 221791, 229558, 239267, 296009, 443582, 478534, 592018, 617057, 803453, 1234114, 1552537, 1606906, 1674869, 2072063, 3105074, 3349738, 4144126, 4214029, 5624171, 8428058, 10867759, 11248342, 11724083, 21735518, 23448166, 29498203, 39369197, 58996406, 76074313, 78738394, 152148626, 206487421, 412974842, 532520191, 1065040382, 1445411947, 2890823894, 10117883629, 20235767258]

約数ペア:

[(1, 20235767258), (2, 10117883629), (7, 2890823894), (14, 1445411947), (19, 1065040382), (38, 532520191), (49, 412974842), (98, 206487421), (133, 152148626), (257, 78738394), (266, 76074313), (343, 58996406), (514, 39369197), (686, 29498203), (863, 23448166), (931, 21735518), (1726, 11724083), (1799, 11248342), (1862, 10867759), (2401, 8428058), (3598, 5624171), (4802, 4214029), (4883, 4144126), (6041, 3349738), (6517, 3105074), (9766, 2072063), (12082, 1674869), (12593, 1606906), (13034, 1552537), (16397, 1234114), (25186, 803453), (32794, 617057), (34181, 592018), (42287, 478534), (45619, 443582), (68362, 296009), (84574, 239267), (88151, 229558), (91238, 221791), (114779, 176302)]