2015977820

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{227537}}^1$

素因数の和:227989

約数の個数: 24

約数和(自身を含む): 4243128624

約数和(自身を除く): 2227150804

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 227537, 455074, 910148, 1137685, 2275370, 4550740, 100798891, 201597782, 403195564, 503994455, 1007988910, 2015977820]

約数ペア:

[(1, 2015977820), (2, 1007988910), (4, 503994455), (5, 403195564), (10, 201597782), (20, 100798891), (443, 4550740), (886, 2275370), (1772, 1137685), (2215, 910148), (4430, 455074), (8860, 227537)]