20090738

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 30996000

約数和(自身を除く): 10905262

約数列:

[1, 2, 41, 82, 491, 499, 982, 998, 20131, 20459, 40262, 40918, 245009, 490018, 10045369, 20090738]

約数ペア:

[(1, 20090738), (2, 10045369), (41, 490018), (82, 245009), (491, 40918), (499, 40262), (982, 20459), (998, 20131)]