20030590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 39787200

約数和(自身を除く): 19756610

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 239, 289, 290, 478, 493, 578, 986, 1195, 1445, 2390, 2465, 2890, 4063, 4930, 6931, 8126, 8381, 13862, 16762, 20315, 34655, 40630, 41905, 69071, 69310, 83810, 117827, 138142, 235654, 345355, 589135, 690710, 1178270, 2003059, 4006118, 10015295, 20030590]

約数ペア:

[(1, 20030590), (2, 10015295), (5, 4006118), (10, 2003059), (17, 1178270), (29, 690710), (34, 589135), (58, 345355), (85, 235654), (145, 138142), (170, 117827), (239, 83810), (289, 69310), (290, 69071), (478, 41905), (493, 40630), (578, 34655), (986, 20315), (1195, 16762), (1445, 13862), (2390, 8381), (2465, 8126), (2890, 6931), (4063, 4930)]