20792721

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 7776879

約数列:

[1, 3, 59, 79, 177, 237, 1487, 4461, 4661, 13983, 87733, 117473, 263199, 352419, 6930907, 20792721]

約数ペア:

[(1, 20792721), (3, 6930907), (59, 352419), (79, 263199), (177, 117473), (237, 87733), (1487, 13983), (4461, 4661)]