20472153

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 29865600

約数和(自身を除く): 9393447

約数列:

[1, 3, 13, 39, 149, 169, 271, 447, 507, 813, 1937, 3523, 5811, 10569, 25181, 40379, 45799, 75543, 121137, 137397, 524927, 1574781, 6824051, 20472153]

約数ペア:

[(1, 20472153), (3, 6824051), (13, 1574781), (39, 524927), (149, 137397), (169, 121137), (271, 75543), (447, 45799), (507, 40379), (813, 25181), (1937, 10569), (3523, 5811)]