15661016620

素因数分解:

$2^2\times 5^1\times {\mathrm{2441}}^1\times {\mathrm{320791}}^1$

素因数の和:323241

約数の個数: 24

約数和(自身を含む): 32901710688

約数和(自身を除く): 17240694068

約数列:

[1, 2, 4, 5, 10, 20, 2441, 4882, 9764, 12205, 24410, 48820, 320791, 641582, 1283164, 1603955, 3207910, 6415820, 783050831, 1566101662, 3132203324, 3915254155, 7830508310, 15661016620]

約数ペア:

[(1, 15661016620), (2, 7830508310), (4, 3915254155), (5, 3132203324), (10, 1566101662), (20, 783050831), (2441, 6415820), (4882, 3207910), (9764, 1603955), (12205, 1283164), (24410, 641582), (48820, 320791)]