20578621838

素因数分解:

$2^1\times {\mathrm{541}}^1\times {\mathrm{4091}}^1\times {\mathrm{4649}}^1$

素因数の和:9283

約数の個数: 16

約数和(自身を含む): 30939202800

約数和(自身を除く): 10360580962

約数列:

[1, 2, 541, 1082, 4091, 4649, 8182, 9298, 2213231, 2515109, 4426462, 5030218, 19019059, 38038118, 10289310919, 20578621838]

約数ペア:

[(1, 20578621838), (2, 10289310919), (541, 38038118), (1082, 19019059), (4091, 5030218), (4649, 4426462), (8182, 2515109), (9298, 2213231)]