20374550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 48

約数和(自身を含む): 45211392

約数和(自身を除く): 24836842

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2531, 4025, 5062, 8050, 12655, 17717, 25310, 35434, 58213, 63275, 88585, 116426, 126550, 177170, 291065, 407491, 442925, 582130, 814982, 885850, 1455325, 2037455, 2910650, 4074910, 10187275, 20374550]

約数ペア:

[(1, 20374550), (2, 10187275), (5, 4074910), (7, 2910650), (10, 2037455), (14, 1455325), (23, 885850), (25, 814982), (35, 582130), (46, 442925), (50, 407491), (70, 291065), (115, 177170), (161, 126550), (175, 116426), (230, 88585), (322, 63275), (350, 58213), (575, 35434), (805, 25310), (1150, 17717), (1610, 12655), (2531, 8050), (4025, 5062)]