20170520905

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^2$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 24575434632

約数和(自身を除く): 4404913727

約数列:

[1, 5, 113, 277, 359, 565, 1385, 1795, 31301, 40567, 99443, 128881, 156505, 202835, 497215, 644405, 11237059, 14563553, 35700037, 56185295, 72817765, 178500185, 4034104181, 20170520905]

約数ペア:

[(1, 20170520905), (5, 4034104181), (113, 178500185), (277, 72817765), (359, 56185295), (565, 35700037), (1385, 14563553), (1795, 11237059), (31301, 644405), (40567, 497215), (99443, 202835), (128881, 156505)]