20664943

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23044896

約数和(自身を除く): 2379953

約数列:

[1, 13, 41, 137, 283, 533, 1781, 3679, 5617, 11603, 38771, 73021, 150839, 504023, 1589611, 20664943]

約数ペア:

[(1, 20664943), (13, 1589611), (41, 504023), (137, 150839), (283, 73021), (533, 38771), (1781, 11603), (3679, 5617)]