20178394859

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{2063}}^1\times {\mathrm{3319}}^1$

素因数の和:5810

約数の個数: 16

約数和(自身を含む): 23133972480

約数和(自身を除く): 2955577621

約数列:

[1, 7, 421, 2063, 2947, 3319, 14441, 23233, 868523, 1397299, 6079661, 6847097, 9781093, 47929679, 2882627837, 20178394859]

約数ペア:

[(1, 20178394859), (7, 2882627837), (421, 47929679), (2063, 9781093), (2947, 6847097), (3319, 6079661), (14441, 1397299), (23233, 868523)]