20541994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15307}}^1$

素因数の和:15381

約数の個数: 16

約数和(自身を含む): 34167456

約数和(自身を除く): 13625462

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15307, 30614, 168377, 336754, 933727, 1867454, 10270997, 20541994]

約数ペア:

[(1, 20541994), (2, 10270997), (11, 1867454), (22, 933727), (61, 336754), (122, 168377), (671, 30614), (1342, 15307)]