20037116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41399}}^1$

素因数の和:41425

約数の個数: 18

約数和(自身を含む): 38543400

約数和(自身を除く): 18506284

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41399, 82798, 165596, 455389, 910778, 1821556, 5009279, 10018558, 20037116]

約数ペア:

[(1, 20037116), (2, 10018558), (4, 5009279), (11, 1821556), (22, 910778), (44, 455389), (121, 165596), (242, 82798), (484, 41399)]