20406037

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 1896683

約数列:

[1, 23, 43, 47, 439, 989, 1081, 2021, 10097, 18877, 20633, 46483, 434171, 474559, 887219, 20406037]

約数ペア:

[(1, 20406037), (23, 887219), (43, 474559), (47, 434171), (439, 46483), (989, 20633), (1081, 18877), (2021, 10097)]