20921472011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{427117}}^1$

素因数の和:427262

約数の個数: 16

約数和(自身を含む): 23515408608

約数和(自身を除く): 2593936597

約数列:

[1, 11, 61, 73, 671, 803, 4453, 48983, 427117, 4698287, 26054137, 31179541, 286595507, 342974951, 1901952001, 20921472011]

約数ペア:

[(1, 20921472011), (11, 1901952001), (61, 342974951), (73, 286595507), (671, 31179541), (803, 26054137), (4453, 4698287), (48983, 427117)]