20125544715

素因数分解:

$3^4\times 5^1\times {\mathrm{49692703}}^1$

素因数の和:49692720

約数の個数: 20

約数和(自身を含む): 36076903104

約数和(自身を除く): 15951358389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49692703, 149078109, 248463515, 447234327, 745390545, 1341702981, 2236171635, 4025108943, 6708514905, 20125544715]

約数ペア:

[(1, 20125544715), (3, 6708514905), (5, 4025108943), (9, 2236171635), (15, 1341702981), (27, 745390545), (45, 447234327), (81, 248463515), (135, 149078109), (405, 49692703)]