20815367035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{616843}}^1$

素因数の和:617262

約数の個数: 16

約数和(自身を含む): 26514422496

約数和(自身を除く): 5699055461

約数列:

[1, 5, 17, 85, 397, 1985, 6749, 33745, 616843, 3084215, 10486331, 52431655, 244886671, 1224433355, 4163073407, 20815367035]

約数ペア:

[(1, 20815367035), (5, 4163073407), (17, 1224433355), (85, 244886671), (397, 52431655), (1985, 10486331), (6749, 3084215), (33745, 616843)]