20926893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18503}}^1$

素因数の和:18548

約数の個数: 16

約数和(自身を含む): 31086720

約数和(自身を除く): 10159827

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18503, 55509, 240539, 536587, 721617, 1609761, 6975631, 20926893]

約数ペア:

[(1, 20926893), (3, 6975631), (13, 1609761), (29, 721617), (39, 536587), (87, 240539), (377, 55509), (1131, 18503)]