20104492

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 36831872

約数和(自身を除く): 16727380

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2221, 2263, 4442, 4526, 8884, 9052, 68851, 137702, 162133, 275404, 324266, 648532, 5026123, 10052246, 20104492]

約数ペア:

[(1, 20104492), (2, 10052246), (4, 5026123), (31, 648532), (62, 324266), (73, 275404), (124, 162133), (146, 137702), (292, 68851), (2221, 9052), (2263, 8884), (4442, 4526)]