20490195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124183}}^1$

素因数の和:124202

約数の個数: 16

約数和(自身を含む): 35764992

約数和(自身を除く): 15274797

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124183, 372549, 620915, 1366013, 1862745, 4098039, 6830065, 20490195]

約数ペア:

[(1, 20490195), (3, 6830065), (5, 4098039), (11, 1862745), (15, 1366013), (33, 620915), (55, 372549), (165, 124183)]