20744216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{152531}}^1$

素因数の和:152554

約数の個数: 16

約数和(自身を含む): 41183640

約数和(自身を除く): 20439424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 152531, 305062, 610124, 1220248, 2593027, 5186054, 10372108, 20744216]

約数ペア:

[(1, 20744216), (2, 10372108), (4, 5186054), (8, 2593027), (17, 1220248), (34, 610124), (68, 305062), (136, 152531)]