20199963800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2348833}}^1$

素因数の和:2348892

約数の個数: 48

約数和(自身を含む): 48057143640

約数和(自身を除く): 27857179840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 2348833, 4697666, 9395332, 11744165, 18790664, 23488330, 46976660, 58720825, 93953320, 100999819, 117441650, 201999638, 234883300, 403999276, 469766600, 504999095, 807998552, 1009998190, 2019996380, 2524995475, 4039992760, 5049990950, 10099981900, 20199963800]

約数ペア:

[(1, 20199963800), (2, 10099981900), (4, 5049990950), (5, 4039992760), (8, 2524995475), (10, 2019996380), (20, 1009998190), (25, 807998552), (40, 504999095), (43, 469766600), (50, 403999276), (86, 234883300), (100, 201999638), (172, 117441650), (200, 100999819), (215, 93953320), (344, 58720825), (430, 46976660), (860, 23488330), (1075, 18790664), (1720, 11744165), (2150, 9395332), (4300, 4697666), (8600, 2348833)]