19720506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252827}}^1$

素因数の和:252845

約数の個数: 16

約数和(自身を含む): 42475104

約数和(自身を除く): 22754598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252827, 505654, 758481, 1516962, 3286751, 6573502, 9860253, 19720506]

約数ペア:

[(1, 19720506), (2, 9860253), (3, 6573502), (6, 3286751), (13, 1516962), (26, 758481), (39, 505654), (78, 252827)]