20267065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44543}}^1$

素因数の和:44568

約数の個数: 16

約数和(自身を含む): 29933568

約数和(自身を除く): 9666503

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44543, 222715, 311801, 579059, 1559005, 2895295, 4053413, 20267065]

約数ペア:

[(1, 20267065), (5, 4053413), (7, 2895295), (13, 1559005), (35, 579059), (65, 311801), (91, 222715), (455, 44543)]