20166020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4967}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 50077440

約数和(自身を除く): 29911420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4967, 9934, 19868, 24835, 34769, 49670, 69538, 99340, 139076, 144043, 173845, 288086, 347690, 576172, 695380, 720215, 1008301, 1440430, 2016602, 2880860, 4033204, 5041505, 10083010, 20166020]

約数ペア:

[(1, 20166020), (2, 10083010), (4, 5041505), (5, 4033204), (7, 2880860), (10, 2016602), (14, 1440430), (20, 1008301), (28, 720215), (29, 695380), (35, 576172), (58, 347690), (70, 288086), (116, 173845), (140, 144043), (145, 139076), (203, 99340), (290, 69538), (406, 49670), (580, 34769), (812, 24835), (1015, 19868), (2030, 9934), (4060, 4967)]