20965112

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1181}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 45105120

約数和(自身を除く): 24140008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1181, 1268, 2219, 2362, 2536, 4438, 4724, 8267, 8876, 9448, 16534, 17752, 33068, 66136, 374377, 748754, 1497508, 2620639, 2995016, 5241278, 10482556, 20965112]

約数ペア:

[(1, 20965112), (2, 10482556), (4, 5241278), (7, 2995016), (8, 2620639), (14, 1497508), (28, 748754), (56, 374377), (317, 66136), (634, 33068), (1181, 17752), (1268, 16534), (2219, 9448), (2362, 8876), (2536, 8267), (4438, 4724)]