20141380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3061}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 49383936

約数和(自身を除く): 29242556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3061, 3290, 6122, 6580, 12244, 15305, 21427, 30610, 42854, 61220, 85708, 107135, 143867, 214270, 287734, 428540, 575468, 719335, 1007069, 1438670, 2014138, 2877340, 4028276, 5035345, 10070690, 20141380]

約数ペア:

[(1, 20141380), (2, 10070690), (4, 5035345), (5, 4028276), (7, 2877340), (10, 2014138), (14, 1438670), (20, 1007069), (28, 719335), (35, 575468), (47, 428540), (70, 287734), (94, 214270), (140, 143867), (188, 107135), (235, 85708), (329, 61220), (470, 42854), (658, 30610), (940, 21427), (1316, 15305), (1645, 12244), (3061, 6580), (3290, 6122)]