20628784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117209}}^1$

素因数の和:117228

約数の個数: 20

約数和(自身を含む): 43602120

約数和(自身を除く): 22973336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117209, 234418, 468836, 937672, 1289299, 1875344, 2578598, 5157196, 10314392, 20628784]

約数ペア:

[(1, 20628784), (2, 10314392), (4, 5157196), (8, 2578598), (11, 1875344), (16, 1289299), (22, 937672), (44, 468836), (88, 234418), (176, 117209)]