20156528

素因数分解:

$2^4\times 7^1\times {\mathrm{179969}}^1$

素因数の和:179984

約数の個数: 20

約数和(自身を含む): 44632560

約数和(自身を除く): 24476032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179969, 359938, 719876, 1259783, 1439752, 2519566, 2879504, 5039132, 10078264, 20156528]

約数ペア:

[(1, 20156528), (2, 10078264), (4, 5039132), (7, 2879504), (8, 2519566), (14, 1439752), (16, 1259783), (28, 719876), (56, 359938), (112, 179969)]