20480894

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 16678018

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 217, 287, 434, 574, 1151, 1271, 2302, 2542, 8057, 8897, 16114, 17794, 35681, 47191, 71362, 94382, 249767, 330337, 499534, 660674, 1462921, 2925842, 10240447, 20480894]

約数ペア:

[(1, 20480894), (2, 10240447), (7, 2925842), (14, 1462921), (31, 660674), (41, 499534), (62, 330337), (82, 249767), (217, 94382), (287, 71362), (434, 47191), (574, 35681), (1151, 17794), (1271, 16114), (2302, 8897), (2542, 8057)]