20179692

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1629

約数の個数: 72

約数和(自身を含む): 57003856

約数和(自身を除く): 36824164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1597, 2106, 3159, 3194, 4212, 4791, 6318, 6388, 9582, 12636, 14373, 19164, 20761, 28746, 41522, 43119, 57492, 62283, 83044, 86238, 124566, 129357, 172476, 186849, 249132, 258714, 373698, 388071, 517428, 560547, 747396, 776142, 1121094, 1552284, 1681641, 2242188, 3363282, 5044923, 6726564, 10089846, 20179692]

約数ペア:

[(1, 20179692), (2, 10089846), (3, 6726564), (4, 5044923), (6, 3363282), (9, 2242188), (12, 1681641), (13, 1552284), (18, 1121094), (26, 776142), (27, 747396), (36, 560547), (39, 517428), (52, 388071), (54, 373698), (78, 258714), (81, 249132), (108, 186849), (117, 172476), (156, 129357), (162, 124566), (234, 86238), (243, 83044), (324, 62283), (351, 57492), (468, 43119), (486, 41522), (702, 28746), (972, 20761), (1053, 19164), (1404, 14373), (1597, 12636), (2106, 9582), (3159, 6388), (3194, 6318), (4212, 4791)]