20931134

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1712

約数の個数: 24

約数和(自身を含む): 36812880

約数和(自身を除く): 15881746

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1559, 1918, 3118, 6713, 10913, 13426, 21826, 76391, 152782, 213583, 427166, 1495081, 2990162, 10465567, 20931134]

約数ペア:

[(1, 20931134), (2, 10465567), (7, 2990162), (14, 1495081), (49, 427166), (98, 213583), (137, 152782), (274, 76391), (959, 21826), (1559, 13426), (1918, 10913), (3118, 6713)]