20597766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1223}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 47236608

約数和(自身を除く): 26638842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 1223, 2406, 2446, 2807, 3669, 5614, 7338, 8421, 8561, 16842, 17122, 25683, 51366, 490423, 980846, 1471269, 2942538, 3432961, 6865922, 10298883, 20597766]

約数ペア:

[(1, 20597766), (2, 10298883), (3, 6865922), (6, 3432961), (7, 2942538), (14, 1471269), (21, 980846), (42, 490423), (401, 51366), (802, 25683), (1203, 17122), (1223, 16842), (2406, 8561), (2446, 8421), (2807, 7338), (3669, 5614)]