20732499

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 31928832

約数和(自身を除く): 11196333

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2131, 3243, 6393, 9729, 19179, 49013, 100157, 147039, 300471, 441117, 901413, 2303611, 6910833, 20732499]

約数ペア:

[(1, 20732499), (3, 6910833), (9, 2303611), (23, 901413), (47, 441117), (69, 300471), (141, 147039), (207, 100157), (423, 49013), (1081, 19179), (2131, 9729), (3243, 6393)]