20863330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109807}}^1$

素因数の和:109833

約数の個数: 16

約数和(自身を含む): 39530880

約数和(自身を除く): 18667550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109807, 219614, 549035, 1098070, 2086333, 4172666, 10431665, 20863330]

約数ペア:

[(1, 20863330), (2, 10431665), (5, 4172666), (10, 2086333), (19, 1098070), (38, 549035), (95, 219614), (190, 109807)]