16615662020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1927571}}^1$

素因数の和:1928011

約数の個数: 24

約数和(自身を含む): 34973866368

約数和(自身を除く): 18358204348

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 1927571, 3855142, 7710284, 9637855, 19275710, 38551420, 830783101, 1661566202, 3323132404, 4153915505, 8307831010, 16615662020]

約数ペア:

[(1, 16615662020), (2, 8307831010), (4, 4153915505), (5, 3323132404), (10, 1661566202), (20, 830783101), (431, 38551420), (862, 19275710), (1724, 9637855), (2155, 7710284), (4310, 3855142), (8620, 1927571)]