20897776

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5857}}^1$

素因数の和:6088

約数の個数: 20

約数和(自身を含む): 40677952

約数和(自身を除く): 19780176

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5857, 11714, 23428, 46856, 93712, 1306111, 2612222, 5224444, 10448888, 20897776]

約数ペア:

[(1, 20897776), (2, 10448888), (4, 5224444), (8, 2612222), (16, 1306111), (223, 93712), (446, 46856), (892, 23428), (1784, 11714), (3568, 5857)]