201520090

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{42071}}^1$

素因数の和:42557

約数の個数: 16

約数和(自身を含む): 363502080

約数和(自身を除く): 161981990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 42071, 84142, 210355, 420710, 20152009, 40304018, 100760045, 201520090]

約数ペア:

[(1, 201520090), (2, 100760045), (5, 40304018), (10, 20152009), (479, 420710), (958, 210355), (2395, 84142), (4790, 42071)]