20997002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19697}}^1$

素因数の和:19753

約数の個数: 16

約数和(自身を含む): 34747272

約数和(自身を除く): 13750270

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19697, 39394, 256061, 512122, 807577, 1615154, 10498501, 20997002]

約数ペア:

[(1, 20997002), (2, 10498501), (13, 1615154), (26, 807577), (41, 512122), (82, 256061), (533, 39394), (1066, 19697)]