20651430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40493}}^1$

素因数の和:40520

約数の個数: 32

約数和(自身を含む): 52480224

約数和(自身を除く): 31828794

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40493, 80986, 121479, 202465, 242958, 404930, 607395, 688381, 1214790, 1376762, 2065143, 3441905, 4130286, 6883810, 10325715, 20651430]

約数ペア:

[(1, 20651430), (2, 10325715), (3, 6883810), (5, 4130286), (6, 3441905), (10, 2065143), (15, 1376762), (17, 1214790), (30, 688381), (34, 607395), (51, 404930), (85, 242958), (102, 202465), (170, 121479), (255, 80986), (510, 40493)]