20378203167

素因数分解:

$3^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{784471}}^1$

素因数の和:785718

約数の個数: 16

約数和(自身を含む): 31077642752

約数和(自身を除く): 10699439585

約数列:

[1, 3, 7, 21, 1237, 3711, 8659, 25977, 784471, 2353413, 5491297, 16473891, 970390627, 2911171881, 6792734389, 20378203167]

約数ペア:

[(1, 20378203167), (3, 6792734389), (7, 2911171881), (21, 970390627), (1237, 16473891), (3711, 5491297), (8659, 2353413), (25977, 784471)]