20635300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 52496640

約数和(自身を除く): 31861340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 719, 820, 1025, 1148, 1435, 1438, 2050, 2870, 2876, 3595, 4100, 5033, 5740, 7175, 7190, 10066, 14350, 14380, 17975, 20132, 25165, 28700, 29479, 35950, 50330, 58958, 71900, 100660, 117916, 125825, 147395, 206353, 251650, 294790, 412706, 503300, 589580, 736975, 825412, 1031765, 1473950, 2063530, 2947900, 4127060, 5158825, 10317650, 20635300]

約数ペア:

[(1, 20635300), (2, 10317650), (4, 5158825), (5, 4127060), (7, 2947900), (10, 2063530), (14, 1473950), (20, 1031765), (25, 825412), (28, 736975), (35, 589580), (41, 503300), (50, 412706), (70, 294790), (82, 251650), (100, 206353), (140, 147395), (164, 125825), (175, 117916), (205, 100660), (287, 71900), (350, 58958), (410, 50330), (574, 35950), (700, 29479), (719, 28700), (820, 25165), (1025, 20132), (1148, 17975), (1435, 14380), (1438, 14350), (2050, 10066), (2870, 7190), (2876, 7175), (3595, 5740), (4100, 5033)]