20856854789

素因数分解:

${\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1\times {\mathrm{881}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 21102633216

約数和(自身を除く): 245778427

約数列:

[1, 251, 257, 367, 881, 64507, 92117, 94319, 221131, 226417, 323327, 23674069, 56830667, 81155077, 83095039, 20856854789]

約数ペア:

[(1, 20856854789), (251, 83095039), (257, 81155077), (367, 56830667), (881, 23674069), (64507, 323327), (92117, 226417), (94319, 221131)]