218960020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163403}}^1$

素因数の和:163479

約数の個数: 24

約数和(自身を含む): 466681824

約数和(自身を除く): 247721804

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 163403, 326806, 653612, 817015, 1634030, 3268060, 10948001, 21896002, 43792004, 54740005, 109480010, 218960020]

約数ペア:

[(1, 218960020), (2, 109480010), (4, 54740005), (5, 43792004), (10, 21896002), (20, 10948001), (67, 3268060), (134, 1634030), (268, 817015), (335, 653612), (670, 326806), (1340, 163403)]