20264408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20365192

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1367, 1853, 2734, 3706, 5468, 7412, 10936, 14824, 23239, 46478, 92956, 149003, 185912, 298006, 596012, 1192024, 2533051, 5066102, 10132204, 20264408]

約数ペア:

[(1, 20264408), (2, 10132204), (4, 5066102), (8, 2533051), (17, 1192024), (34, 596012), (68, 298006), (109, 185912), (136, 149003), (218, 92956), (436, 46478), (872, 23239), (1367, 14824), (1853, 10936), (2734, 7412), (3706, 5468)]