20797278

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6653}}^1$

素因数の和:7179

約数の個数: 16

約数和(自身を含む): 41680656

約数和(自身を除く): 20883378

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6653, 13306, 19959, 39918, 3466213, 6932426, 10398639, 20797278]

約数ペア:

[(1, 20797278), (2, 10398639), (3, 6932426), (6, 3466213), (521, 39918), (1042, 19959), (1563, 13306), (3126, 6653)]