20345052920

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{493333}}^1$

素因数の和:494375

約数の個数: 32

約数和(自身を含む): 45820861920

約数和(自身を除く): 25475809000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 493333, 986666, 1973332, 2466665, 3946664, 4933330, 9866660, 19733320, 508626323, 1017252646, 2034505292, 2543131615, 4069010584, 5086263230, 10172526460, 20345052920]

約数ペア:

[(1, 20345052920), (2, 10172526460), (4, 5086263230), (5, 4069010584), (8, 2543131615), (10, 2034505292), (20, 1017252646), (40, 508626323), (1031, 19733320), (2062, 9866660), (4124, 4933330), (5155, 3946664), (8248, 2466665), (10310, 1973332), (20620, 986666), (41240, 493333)]