20061872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65993}}^1$

素因数の和:66020

約数の個数: 20

約数和(自身を含む): 40916280

約数和(自身を除く): 20854408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65993, 131986, 263972, 527944, 1055888, 1253867, 2507734, 5015468, 10030936, 20061872]

約数ペア:

[(1, 20061872), (2, 10030936), (4, 5015468), (8, 2507734), (16, 1253867), (19, 1055888), (38, 527944), (76, 263972), (152, 131986), (304, 65993)]