20961274

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 31998888

約数和(自身を除く): 11037614

約数列:

[1, 2, 113, 137, 226, 274, 677, 1354, 15481, 30962, 76501, 92749, 153002, 185498, 10480637, 20961274]

約数ペア:

[(1, 20961274), (2, 10480637), (113, 185498), (137, 153002), (226, 92749), (274, 76501), (677, 30962), (1354, 15481)]