20997804971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2407177}}^1$

素因数の和:2407262

約数の個数: 16

約数和(自身を含む): 25073166048

約数和(自身を除く): 4075361077

約数列:

[1, 11, 13, 61, 143, 671, 793, 8723, 2407177, 26478947, 31293301, 146837797, 344226311, 1615215767, 1908891361, 20997804971]

約数ペア:

[(1, 20997804971), (11, 1908891361), (13, 1615215767), (61, 344226311), (143, 146837797), (671, 31293301), (793, 26478947), (8723, 2407177)]