20922748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67931}}^1$

素因数の和:67953

約数の個数: 24

約数和(自身を含む): 45650304

約数和(自身を除く): 24727556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67931, 135862, 271724, 475517, 747241, 951034, 1494482, 1902068, 2988964, 5230687, 10461374, 20922748]

約数ペア:

[(1, 20922748), (2, 10461374), (4, 5230687), (7, 2988964), (11, 1902068), (14, 1494482), (22, 951034), (28, 747241), (44, 475517), (77, 271724), (154, 135862), (308, 67931)]