20704504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{152239}}^1$

素因数の和:152262

約数の個数: 16

約数和(自身を含む): 41104800

約数和(自身を除く): 20400296

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 152239, 304478, 608956, 1217912, 2588063, 5176126, 10352252, 20704504]

約数ペア:

[(1, 20704504), (2, 10352252), (4, 5176126), (8, 2588063), (17, 1217912), (34, 608956), (68, 304478), (136, 152239)]