20599640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4813}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 46792080

約数和(自身を除く): 26192440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4813, 9626, 19252, 24065, 38504, 48130, 96260, 192520, 514991, 1029982, 2059964, 2574955, 4119928, 5149910, 10299820, 20599640]

約数ペア:

[(1, 20599640), (2, 10299820), (4, 5149910), (5, 4119928), (8, 2574955), (10, 2059964), (20, 1029982), (40, 514991), (107, 192520), (214, 96260), (428, 48130), (535, 38504), (856, 24065), (1070, 19252), (2140, 9626), (4280, 4813)]