20910990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697033}}^1$

素因数の和:697043

約数の個数: 16

約数和(自身を含む): 50186448

約数和(自身を除く): 29275458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697033, 1394066, 2091099, 3485165, 4182198, 6970330, 10455495, 20910990]

約数ペア:

[(1, 20910990), (2, 10455495), (3, 6970330), (5, 4182198), (6, 3485165), (10, 2091099), (15, 1394066), (30, 697033)]