20898060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{919}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 58732800

約数和(自身を除く): 37834740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 919, 1137, 1516, 1838, 1895, 2274, 2757, 3676, 3790, 4548, 4595, 5514, 5685, 7580, 9190, 11028, 11370, 13785, 18380, 22740, 27570, 55140, 348301, 696602, 1044903, 1393204, 1741505, 2089806, 3483010, 4179612, 5224515, 6966020, 10449030, 20898060]

約数ペア:

[(1, 20898060), (2, 10449030), (3, 6966020), (4, 5224515), (5, 4179612), (6, 3483010), (10, 2089806), (12, 1741505), (15, 1393204), (20, 1044903), (30, 696602), (60, 348301), (379, 55140), (758, 27570), (919, 22740), (1137, 18380), (1516, 13785), (1838, 11370), (1895, 11028), (2274, 9190), (2757, 7580), (3676, 5685), (3790, 5514), (4548, 4595)]