20022608

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3217}}^1$

素因数の和:3614

約数の個数: 20

約数和(自身を含む): 38905620

約数和(自身を除く): 18883012

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3217, 6224, 6434, 12868, 25736, 51472, 1251413, 2502826, 5005652, 10011304, 20022608]

約数ペア:

[(1, 20022608), (2, 10011304), (4, 5005652), (8, 2502826), (16, 1251413), (389, 51472), (778, 25736), (1556, 12868), (3112, 6434), (3217, 6224)]