20922890

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4723}}^1$

素因数の和:5173

約数の個数: 16

約数和(自身を含む): 37754208

約数和(自身を除く): 16831318

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4723, 9446, 23615, 47230, 2092289, 4184578, 10461445, 20922890]

約数ペア:

[(1, 20922890), (2, 10461445), (5, 4184578), (10, 2092289), (443, 47230), (886, 23615), (2215, 9446), (4430, 4723)]