20010621

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3671}}^1$

素因数の和:3776

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 8190339

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3671, 5451, 11013, 84433, 253299, 290009, 870027, 6670207, 20010621]

約数ペア:

[(1, 20010621), (3, 6670207), (23, 870027), (69, 290009), (79, 253299), (237, 84433), (1817, 11013), (3671, 5451)]