20685090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40559}}^1$

素因数の和:40586

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 31880670

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40559, 81118, 121677, 202795, 243354, 405590, 608385, 689503, 1216770, 1379006, 2068509, 3447515, 4137018, 6895030, 10342545, 20685090]

約数ペア:

[(1, 20685090), (2, 10342545), (3, 6895030), (5, 4137018), (6, 3447515), (10, 2068509), (15, 1379006), (17, 1216770), (30, 689503), (34, 608385), (51, 405590), (85, 243354), (102, 202795), (170, 121677), (255, 81118), (510, 40559)]