20059473

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 14414127

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 349, 357, 391, 483, 833, 1047, 1127, 1173, 2443, 2499, 2737, 3381, 5933, 7329, 8027, 8211, 17101, 17799, 19159, 24081, 41531, 51303, 56189, 57477, 124593, 136459, 168567, 290717, 393323, 409377, 872151, 955213, 1179969, 2865639, 6686491, 20059473]

約数ペア:

[(1, 20059473), (3, 6686491), (7, 2865639), (17, 1179969), (21, 955213), (23, 872151), (49, 409377), (51, 393323), (69, 290717), (119, 168567), (147, 136459), (161, 124593), (349, 57477), (357, 56189), (391, 51303), (483, 41531), (833, 24081), (1047, 19159), (1127, 17799), (1173, 17101), (2443, 8211), (2499, 8027), (2737, 7329), (3381, 5933)]