20211631240

素因数分解:

$2^3\times 5^1\times {\mathrm{20341}}^1\times {\mathrm{24841}}^1$

素因数の和:45193

約数の個数: 32

約数和(自身を含む): 45480236760

約数和(自身を除く): 25268605520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20341, 24841, 40682, 49682, 81364, 99364, 101705, 124205, 162728, 198728, 203410, 248410, 406820, 496820, 813640, 993640, 505290781, 1010581562, 2021163124, 2526453905, 4042326248, 5052907810, 10105815620, 20211631240]

約数ペア:

[(1, 20211631240), (2, 10105815620), (4, 5052907810), (5, 4042326248), (8, 2526453905), (10, 2021163124), (20, 1010581562), (40, 505290781), (20341, 993640), (24841, 813640), (40682, 496820), (49682, 406820), (81364, 248410), (99364, 203410), (101705, 198728), (124205, 162728)]