20171801728

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12122477}}^1$

素因数の和:12122504

約数の個数: 32

約数和(自身を含む): 43277246460

約数和(自身を除く): 23105444732

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12122477, 24244954, 48489908, 96979816, 157592201, 193959632, 315184402, 387919264, 630368804, 775838528, 1260737608, 1551677056, 2521475216, 5042950432, 10085900864, 20171801728]

約数ペア:

[(1, 20171801728), (2, 10085900864), (4, 5042950432), (8, 2521475216), (13, 1551677056), (16, 1260737608), (26, 775838528), (32, 630368804), (52, 387919264), (64, 315184402), (104, 193959632), (128, 157592201), (208, 96979816), (416, 48489908), (832, 24244954), (1664, 12122477)]