20123143971

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5294171}}^1$

素因数の和:5294362

約数の個数: 16

約数和(自身を含む): 30833257728

約数和(自身を除く): 10710113757

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5294171, 15882513, 37059197, 111177591, 958244951, 2874734853, 6707714657, 20123143971]

約数ペア:

[(1, 20123143971), (3, 6707714657), (7, 2874734853), (21, 958244951), (181, 111177591), (543, 37059197), (1267, 15882513), (3801, 5294171)]