20954672

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12967}}^1$

素因数の和:13076

約数の個数: 20

約数和(自身を含む): 41004816

約数和(自身を除く): 20050144

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12967, 25934, 51868, 103736, 207472, 1309667, 2619334, 5238668, 10477336, 20954672]

約数ペア:

[(1, 20954672), (2, 10477336), (4, 5238668), (8, 2619334), (16, 1309667), (101, 207472), (202, 103736), (404, 51868), (808, 25934), (1616, 12967)]