20951037

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{373}}^1$

素因数の和:537

約数の個数: 18

約数和(自身を含む): 30732702

約数和(自身を除く): 9781665

約数列:

[1, 3, 9, 79, 237, 373, 711, 1119, 3357, 6241, 18723, 29467, 56169, 88401, 265203, 2327893, 6983679, 20951037]

約数ペア:

[(1, 20951037), (3, 6983679), (9, 2327893), (79, 265203), (237, 88401), (373, 56169), (711, 29467), (1119, 18723), (3357, 6241)]