20171427856

素因数分解:

$2^4\times {\mathrm{18757}}^1\times {\mathrm{67213}}^1$

素因数の和:85978

約数の個数: 20

約数和(自身を含む): 39084806572

約数和(自身を除く): 18913378716

約数列:

[1, 2, 4, 8, 16, 18757, 37514, 67213, 75028, 134426, 150056, 268852, 300112, 537704, 1075408, 1260714241, 2521428482, 5042856964, 10085713928, 20171427856]

約数ペア:

[(1, 20171427856), (2, 10085713928), (4, 5042856964), (8, 2521428482), (16, 1260714241), (18757, 1075408), (37514, 537704), (67213, 300112), (75028, 268852), (134426, 150056)]