20590665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44281}}^1$

素因数の和:44320

約数の個数: 16

約数和(自身を含む): 34008576

約数和(自身を除く): 13417911

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44281, 132843, 221405, 664215, 1372711, 4118133, 6863555, 20590665]

約数ペア:

[(1, 20590665), (3, 6863555), (5, 4118133), (15, 1372711), (31, 664215), (93, 221405), (155, 132843), (465, 44281)]