20924990

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4111}}^1$

素因数の和:4627

約数の個数: 16

約数和(自身を含む): 37748160

約数和(自身を除く): 16823170

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 4111, 5090, 8222, 20555, 41110, 2092499, 4184998, 10462495, 20924990]

約数ペア:

[(1, 20924990), (2, 10462495), (5, 4184998), (10, 2092499), (509, 41110), (1018, 20555), (2545, 8222), (4111, 5090)]