20039955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102769}}^1$

素因数の和:102790

約数の個数: 16

約数和(自身を含む): 34530720

約数和(自身を除く): 14490765

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 102769, 308307, 513845, 1335997, 1541535, 4007991, 6679985, 20039955]

約数ペア:

[(1, 20039955), (3, 6679985), (5, 4007991), (13, 1541535), (15, 1335997), (39, 513845), (65, 308307), (195, 102769)]