20359179

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 30161664

約数和(自身を除く): 9802485

約数列:

[1, 3, 9, 71, 151, 211, 213, 453, 633, 639, 1359, 1899, 10721, 14981, 31861, 32163, 44943, 95583, 96489, 134829, 286749, 2262131, 6786393, 20359179]

約数ペア:

[(1, 20359179), (3, 6786393), (9, 2262131), (71, 286749), (151, 134829), (211, 96489), (213, 95583), (453, 44943), (633, 32163), (639, 31861), (1359, 14981), (1899, 10721)]