20818334

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 10933666

約数列:

[1, 2, 97, 194, 239, 449, 478, 898, 23183, 43553, 46366, 87106, 107311, 214622, 10409167, 20818334]

約数ペア:

[(1, 20818334), (2, 10409167), (97, 214622), (194, 107311), (239, 87106), (449, 46366), (478, 43553), (898, 23183)]