20854494

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 46753200

約数和(自身を除く): 25898706

約数列:

[1, 2, 3, 6, 9, 18, 59, 73, 118, 146, 177, 219, 269, 354, 438, 531, 538, 657, 807, 1062, 1314, 1614, 2421, 4307, 4842, 8614, 12921, 15871, 19637, 25842, 31742, 38763, 39274, 47613, 58911, 77526, 95226, 117822, 142839, 176733, 285678, 353466, 1158583, 2317166, 3475749, 6951498, 10427247, 20854494]

約数ペア:

[(1, 20854494), (2, 10427247), (3, 6951498), (6, 3475749), (9, 2317166), (18, 1158583), (59, 353466), (73, 285678), (118, 176733), (146, 142839), (177, 117822), (219, 95226), (269, 77526), (354, 58911), (438, 47613), (531, 39274), (538, 38763), (657, 31742), (807, 25842), (1062, 19637), (1314, 15871), (1614, 12921), (2421, 8614), (4307, 4842)]