20921094727

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{139831}}^1$

素因数の和:140538

約数の個数: 16

約数和(自身を含む): 23891136192

約数和(自身を除く): 2970041465

約数列:

[1, 13, 17, 221, 677, 8801, 11509, 139831, 149617, 1817803, 2377127, 30902651, 94665587, 1230652631, 1609314979, 20921094727]

約数ペア:

[(1, 20921094727), (13, 1609314979), (17, 1230652631), (221, 94665587), (677, 30902651), (8801, 2377127), (11509, 1817803), (139831, 149617)]