202479820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{47981}}^1$

素因数の和:48201

約数の個数: 24

約数和(自身を含む): 427231728

約数和(自身を除く): 224751908

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 47981, 95962, 191924, 239905, 479810, 959620, 10123991, 20247982, 40495964, 50619955, 101239910, 202479820]

約数ペア:

[(1, 202479820), (2, 101239910), (4, 50619955), (5, 40495964), (10, 20247982), (20, 10123991), (211, 959620), (422, 479810), (844, 239905), (1055, 191924), (2110, 95962), (4220, 47981)]