20137547455

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{449549}}^1$

素因数の和:449619

約数の個数: 24

約数和(自身を含む): 26498275200

約数和(自身を除く): 6360727745

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 1445, 2635, 8959, 44795, 449549, 2247745, 7642333, 13936019, 38211665, 69680095, 129919661, 236912323, 649598305, 1184561615, 4027509491, 20137547455]

約数ペア:

[(1, 20137547455), (5, 4027509491), (17, 1184561615), (31, 649598305), (85, 236912323), (155, 129919661), (289, 69680095), (527, 38211665), (1445, 13936019), (2635, 7642333), (8959, 2247745), (44795, 449549)]