20123492259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1904011}}^1$

素因数の和:1904298

約数の個数: 16

約数和(自身を含む): 29001910784

約数和(自身を除く): 8878418525

約数列:

[1, 3, 13, 39, 271, 813, 3523, 10569, 1904011, 5712033, 24752143, 74256429, 515986981, 1547960943, 6707830753, 20123492259]

約数ペア:

[(1, 20123492259), (3, 6707830753), (13, 1547960943), (39, 515986981), (271, 74256429), (813, 24752143), (3523, 5712033), (10569, 1904011)]