20023029

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3229}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 31744440

約数和(自身を除く): 11721411

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3229, 6201, 9687, 29061, 41977, 125931, 171137, 377793, 513411, 1540233, 2224781, 6674343, 20023029]

約数ペア:

[(1, 20023029), (3, 6674343), (9, 2224781), (13, 1540233), (39, 513411), (53, 377793), (117, 171137), (159, 125931), (477, 41977), (689, 29061), (2067, 9687), (3229, 6201)]