20650520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46933}}^1$

素因数の和:46955

約数の個数: 32

約数和(自身を含む): 50688720

約数和(自身を除く): 30038200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46933, 93866, 187732, 234665, 375464, 469330, 516263, 938660, 1032526, 1877320, 2065052, 2581315, 4130104, 5162630, 10325260, 20650520]

約数ペア:

[(1, 20650520), (2, 10325260), (4, 5162630), (5, 4130104), (8, 2581315), (10, 2065052), (11, 1877320), (20, 1032526), (22, 938660), (40, 516263), (44, 469330), (55, 375464), (88, 234665), (110, 187732), (220, 93866), (440, 46933)]