20927946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20639}}^1$

素因数の和:20670

約数の個数: 24

約数和(自身を含む): 45325440

約数和(自身を除く): 24397494

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20639, 41278, 61917, 123834, 268307, 536614, 804921, 1609842, 3487991, 6975982, 10463973, 20927946]

約数ペア:

[(1, 20927946), (2, 10463973), (3, 6975982), (6, 3487991), (13, 1609842), (26, 804921), (39, 536614), (78, 268307), (169, 123834), (338, 61917), (507, 41278), (1014, 20639)]