20156987192

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{1283}}^1$

素因数の和:1860

約数の個数: 64

約数和(自身を含む): 39151728000

約数和(自身を除く): 18994740808

約数列:

[1, 2, 4, 8, 43, 86, 109, 172, 218, 344, 419, 436, 838, 872, 1283, 1676, 2566, 3352, 4687, 5132, 9374, 10264, 18017, 18748, 36034, 37496, 45671, 55169, 72068, 91342, 110338, 139847, 144136, 182684, 220676, 279694, 365368, 441352, 537577, 559388, 1075154, 1118776, 1963853, 2150308, 3927706, 4300616, 6013421, 7855412, 12026842, 15710824, 23115811, 24053684, 46231622, 48107368, 58595893, 92463244, 117191786, 184926488, 234383572, 468767144, 2519623399, 5039246798, 10078493596, 20156987192]

約数ペア:

[(1, 20156987192), (2, 10078493596), (4, 5039246798), (8, 2519623399), (43, 468767144), (86, 234383572), (109, 184926488), (172, 117191786), (218, 92463244), (344, 58595893), (419, 48107368), (436, 46231622), (838, 24053684), (872, 23115811), (1283, 15710824), (1676, 12026842), (2566, 7855412), (3352, 6013421), (4687, 4300616), (5132, 3927706), (9374, 2150308), (10264, 1963853), (18017, 1118776), (18748, 1075154), (36034, 559388), (37496, 537577), (45671, 441352), (55169, 365368), (72068, 279694), (91342, 220676), (110338, 182684), (139847, 144136)]