20998327895

素因数分解:

$5^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1\times {\mathrm{44839}}^1$

素因数の和:45482

約数の個数: 16

約数和(自身を含む): 25370472000

約数和(自身を除く): 4372144105

約数列:

[1, 5, 229, 409, 1145, 2045, 44839, 93661, 224195, 468305, 10268131, 18339151, 51340655, 91695755, 4199665579, 20998327895]

約数ペア:

[(1, 20998327895), (5, 4199665579), (229, 91695755), (409, 51340655), (1145, 18339151), (2045, 10268131), (44839, 468305), (93661, 224195)]