20386440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56629}}^1$

素因数の和:56646

約数の個数: 48

約数和(自身を含む): 66257100

約数和(自身を除く): 45870660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56629, 113258, 169887, 226516, 283145, 339774, 453032, 509661, 566290, 679548, 849435, 1019322, 1132580, 1359096, 1698870, 2038644, 2265160, 2548305, 3397740, 4077288, 5096610, 6795480, 10193220, 20386440]

約数ペア:

[(1, 20386440), (2, 10193220), (3, 6795480), (4, 5096610), (5, 4077288), (6, 3397740), (8, 2548305), (9, 2265160), (10, 2038644), (12, 1698870), (15, 1359096), (18, 1132580), (20, 1019322), (24, 849435), (30, 679548), (36, 566290), (40, 509661), (45, 453032), (60, 339774), (72, 283145), (90, 226516), (120, 169887), (180, 113258), (360, 56629)]