20572179

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7732461

約数列:

[1, 3, 59, 71, 177, 213, 1637, 4189, 4911, 12567, 96583, 116227, 289749, 348681, 6857393, 20572179]

約数ペア:

[(1, 20572179), (3, 6857393), (59, 348681), (71, 289749), (177, 116227), (213, 96583), (1637, 12567), (4189, 4911)]