20184801850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{135151}}^1$

素因数の和:135295

約数の個数: 48

約数和(自身を含む): 39215704320

約数和(自身を除く): 19030902470

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 103, 145, 206, 290, 515, 725, 1030, 1450, 2575, 2987, 5150, 5974, 14935, 29870, 74675, 135151, 149350, 270302, 675755, 1351510, 3378775, 3919379, 6757550, 7838758, 13920553, 19596895, 27841106, 39193790, 69602765, 97984475, 139205530, 195968950, 348013825, 403696037, 696027650, 807392074, 2018480185, 4036960370, 10092400925, 20184801850]

約数ペア:

[(1, 20184801850), (2, 10092400925), (5, 4036960370), (10, 2018480185), (25, 807392074), (29, 696027650), (50, 403696037), (58, 348013825), (103, 195968950), (145, 139205530), (206, 97984475), (290, 69602765), (515, 39193790), (725, 27841106), (1030, 19596895), (1450, 13920553), (2575, 7838758), (2987, 6757550), (5150, 3919379), (5974, 3378775), (14935, 1351510), (29870, 675755), (74675, 270302), (135151, 149350)]