20542845

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33403}}^1$

素因数の和:33452

約数の個数: 16

約数和(自身を含む): 33671232

約数和(自身を除く): 13128387

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33403, 100209, 167015, 501045, 1369523, 4108569, 6847615, 20542845]

約数ペア:

[(1, 20542845), (3, 6847615), (5, 4108569), (15, 1369523), (41, 501045), (123, 167015), (205, 100209), (615, 33403)]