20058085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 25039872

約数和(自身を除く): 4981787

約数列:

[1, 5, 31, 151, 155, 755, 857, 4285, 4681, 23405, 26567, 129407, 132835, 647035, 4011617, 20058085]

約数ペア:

[(1, 20058085), (5, 4011617), (31, 647035), (151, 132835), (155, 129407), (755, 26567), (857, 23405), (4285, 4681)]