20522978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 37977984

約数和(自身を除く): 17455006

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 238, 371, 742, 901, 1627, 1802, 3254, 6307, 11389, 12614, 22778, 27659, 55318, 86231, 172462, 193613, 387226, 603617, 1207234, 1465927, 2931854, 10261489, 20522978]

約数ペア:

[(1, 20522978), (2, 10261489), (7, 2931854), (14, 1465927), (17, 1207234), (34, 603617), (53, 387226), (106, 193613), (119, 172462), (238, 86231), (371, 55318), (742, 27659), (901, 22778), (1627, 12614), (1802, 11389), (3254, 6307)]