20517810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40231}}^1$

素因数の和:40258

約数の個数: 32

約数和(自身を含む): 52140672

約数和(自身を除く): 31622862

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40231, 80462, 120693, 201155, 241386, 402310, 603465, 683927, 1206930, 1367854, 2051781, 3419635, 4103562, 6839270, 10258905, 20517810]

約数ペア:

[(1, 20517810), (2, 10258905), (3, 6839270), (5, 4103562), (6, 3419635), (10, 2051781), (15, 1367854), (17, 1206930), (30, 683927), (34, 603465), (51, 402310), (85, 241386), (102, 201155), (170, 120693), (255, 80462), (510, 40231)]