20608216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151531}}^1$

素因数の和:151554

約数の個数: 16

約数和(自身を含む): 40913640

約数和(自身を除く): 20305424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151531, 303062, 606124, 1212248, 2576027, 5152054, 10304108, 20608216]

約数ペア:

[(1, 20608216), (2, 10304108), (4, 5152054), (8, 2576027), (17, 1212248), (34, 606124), (68, 303062), (136, 151531)]