20200216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148531}}^1$

素因数の和:148554

約数の個数: 16

約数和(自身を含む): 40103640

約数和(自身を除く): 19903424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148531, 297062, 594124, 1188248, 2525027, 5050054, 10100108, 20200216]

約数ペア:

[(1, 20200216), (2, 10100108), (4, 5050054), (8, 2525027), (17, 1188248), (34, 594124), (68, 297062), (136, 148531)]