20157494

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15957706

約数列:

[1, 2, 7, 14, 29, 58, 131, 203, 262, 379, 406, 758, 917, 1834, 2653, 3799, 5306, 7598, 10991, 21982, 26593, 49649, 53186, 76937, 99298, 153874, 347543, 695086, 1439821, 2879642, 10078747, 20157494]

約数ペア:

[(1, 20157494), (2, 10078747), (7, 2879642), (14, 1439821), (29, 695086), (58, 347543), (131, 153874), (203, 99298), (262, 76937), (379, 53186), (406, 49649), (758, 26593), (917, 21982), (1834, 10991), (2653, 7598), (3799, 5306)]