20022995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 25254720

約数和(自身を除く): 5231725

約数列:

[1, 5, 23, 115, 157, 785, 1109, 3611, 5545, 18055, 25507, 127535, 174113, 870565, 4004599, 20022995]

約数ペア:

[(1, 20022995), (5, 4004599), (23, 870565), (115, 174113), (157, 127535), (785, 25507), (1109, 18055), (3611, 5545)]