20116161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 32363520

約数和(自身を除く): 12247359

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 257, 351, 669, 771, 2007, 2313, 2899, 3341, 6021, 6939, 8697, 10023, 26091, 30069, 57311, 78273, 90207, 171933, 515799, 745043, 1547397, 2235129, 6705387, 20116161]

約数ペア:

[(1, 20116161), (3, 6705387), (9, 2235129), (13, 1547397), (27, 745043), (39, 515799), (117, 171933), (223, 90207), (257, 78273), (351, 57311), (669, 30069), (771, 26091), (2007, 10023), (2313, 8697), (2899, 6939), (3341, 6021)]