20400406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7333}}^1$

素因数の和:7455

約数の個数: 16

約数和(自身を含む): 33267024

約数和(自身を除く): 12866618

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7333, 14666, 95329, 190658, 784631, 1569262, 10200203, 20400406]

約数ペア:

[(1, 20400406), (2, 10200203), (13, 1569262), (26, 784631), (107, 190658), (214, 95329), (1391, 14666), (2782, 7333)]