20006600

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 26865400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 599, 668, 835, 1198, 1336, 1670, 2396, 2995, 3340, 4175, 4792, 5990, 6680, 8350, 11980, 14975, 16700, 23960, 29950, 33400, 59900, 100033, 119800, 200066, 400132, 500165, 800264, 1000330, 2000660, 2500825, 4001320, 5001650, 10003300, 20006600]

約数ペア:

[(1, 20006600), (2, 10003300), (4, 5001650), (5, 4001320), (8, 2500825), (10, 2000660), (20, 1000330), (25, 800264), (40, 500165), (50, 400132), (100, 200066), (167, 119800), (200, 100033), (334, 59900), (599, 33400), (668, 29950), (835, 23960), (1198, 16700), (1336, 14975), (1670, 11980), (2396, 8350), (2995, 6680), (3340, 5990), (4175, 4792)]