20144065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{881}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 25719120

約数和(自身を除く): 5575055

約数列:

[1, 5, 17, 85, 269, 881, 1345, 4405, 4573, 14977, 22865, 74885, 236989, 1184945, 4028813, 20144065]

約数ペア:

[(1, 20144065), (5, 4028813), (17, 1184945), (85, 236989), (269, 74885), (881, 22865), (1345, 14977), (4405, 4573)]