20233780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28795340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1279, 1582, 2260, 2558, 3164, 3955, 5116, 6395, 7910, 8953, 12790, 15820, 17906, 25580, 35812, 44765, 89530, 144527, 179060, 289054, 578108, 722635, 1011689, 1445270, 2023378, 2890540, 4046756, 5058445, 10116890, 20233780]

約数ペア:

[(1, 20233780), (2, 10116890), (4, 5058445), (5, 4046756), (7, 2890540), (10, 2023378), (14, 1445270), (20, 1011689), (28, 722635), (35, 578108), (70, 289054), (113, 179060), (140, 144527), (226, 89530), (452, 44765), (565, 35812), (791, 25580), (1130, 17906), (1279, 15820), (1582, 12790), (2260, 8953), (2558, 7910), (3164, 6395), (3955, 5116)]