20679264

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1292

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 39173256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1217, 1416, 1888, 2124, 2434, 2832, 3651, 4248, 4868, 5664, 7302, 8496, 9736, 10953, 14604, 16992, 19472, 21906, 29208, 38944, 43812, 58416, 71803, 87624, 116832, 143606, 175248, 215409, 287212, 350496, 430818, 574424, 646227, 861636, 1148848, 1292454, 1723272, 2297696, 2584908, 3446544, 5169816, 6893088, 10339632, 20679264]

約数ペア:

[(1, 20679264), (2, 10339632), (3, 6893088), (4, 5169816), (6, 3446544), (8, 2584908), (9, 2297696), (12, 1723272), (16, 1292454), (18, 1148848), (24, 861636), (32, 646227), (36, 574424), (48, 430818), (59, 350496), (72, 287212), (96, 215409), (118, 175248), (144, 143606), (177, 116832), (236, 87624), (288, 71803), (354, 58416), (472, 43812), (531, 38944), (708, 29208), (944, 21906), (1062, 19472), (1217, 16992), (1416, 14604), (1888, 10953), (2124, 9736), (2434, 8496), (2832, 7302), (3651, 5664), (4248, 4868)]