20019056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40361}}^1$

素因数の和:40400

約数の個数: 20

約数和(自身を含む): 40039104

約数和(自身を除く): 20020048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40361, 80722, 161444, 322888, 645776, 1251191, 2502382, 5004764, 10009528, 20019056]

約数ペア:

[(1, 20019056), (2, 10009528), (4, 5004764), (8, 2502382), (16, 1251191), (31, 645776), (62, 322888), (124, 161444), (248, 80722), (496, 40361)]