20996856176

素因数分解:

$2^4\times {\mathrm{919}}^1\times {\mathrm{1427969}}^1$

素因数の和:1428896

約数の個数: 20

約数和(自身を含む): 40725704400

約数和(自身を除く): 19728848224

約数列:

[1, 2, 4, 8, 16, 919, 1838, 3676, 7352, 14704, 1427969, 2855938, 5711876, 11423752, 22847504, 1312303511, 2624607022, 5249214044, 10498428088, 20996856176]

約数ペア:

[(1, 20996856176), (2, 10498428088), (4, 5249214044), (8, 2624607022), (16, 1312303511), (919, 22847504), (1838, 11423752), (3676, 5711876), (7352, 2855938), (14704, 1427969)]