20123171294

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1203971}}^1$

素因数の和:1204171

約数の個数: 16

約数和(自身を含む): 30903553296

約数和(自身を除く): 10780382002

約数列:

[1, 2, 61, 122, 137, 274, 8357, 16714, 1203971, 2407942, 73442231, 146884462, 164944027, 329888054, 10061585647, 20123171294]

約数ペア:

[(1, 20123171294), (2, 10061585647), (61, 329888054), (122, 164944027), (137, 146884462), (274, 73442231), (8357, 2407942), (16714, 1203971)]