20123701894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1262941}}^1$

素因数の和:1263231

約数の個数: 16

約数和(自身を含む): 31280547456

約数和(自身を除く): 11156845562

約数列:

[1, 2, 31, 62, 257, 514, 7967, 15934, 1262941, 2525882, 39151171, 78302342, 324575837, 649151674, 10061850947, 20123701894]

約数ペア:

[(1, 20123701894), (2, 10061850947), (31, 649151674), (62, 324575837), (257, 78302342), (514, 39151171), (7967, 2525882), (15934, 1262941)]