20555216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116791}}^1$

素因数の和:116810

約数の個数: 20

約数和(自身を含む): 43446624

約数和(自身を除く): 22891408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116791, 233582, 467164, 934328, 1284701, 1868656, 2569402, 5138804, 10277608, 20555216]

約数ペア:

[(1, 20555216), (2, 10277608), (4, 5138804), (8, 2569402), (11, 1868656), (16, 1284701), (22, 934328), (44, 467164), (88, 233582), (176, 116791)]