20179480

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2203}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 45622800

約数和(自身を除く): 25443320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2203, 2290, 4406, 4580, 8812, 9160, 11015, 17624, 22030, 44060, 88120, 504487, 1008974, 2017948, 2522435, 4035896, 5044870, 10089740, 20179480]

約数ペア:

[(1, 20179480), (2, 10089740), (4, 5044870), (5, 4035896), (8, 2522435), (10, 2017948), (20, 1008974), (40, 504487), (229, 88120), (458, 44060), (916, 22030), (1145, 17624), (1832, 11015), (2203, 9160), (2290, 8812), (4406, 4580)]