17902020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17551}}^1$

素因数の和:17580

約数の個数: 48

約数和(自身を含む): 53077248

約数和(自身を除く): 35175228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 17551, 35102, 52653, 70204, 87755, 105306, 175510, 210612, 263265, 298367, 351020, 526530, 596734, 895101, 1053060, 1193468, 1491835, 1790202, 2983670, 3580404, 4475505, 5967340, 8951010, 17902020]

約数ペア:

[(1, 17902020), (2, 8951010), (3, 5967340), (4, 4475505), (5, 3580404), (6, 2983670), (10, 1790202), (12, 1491835), (15, 1193468), (17, 1053060), (20, 895101), (30, 596734), (34, 526530), (51, 351020), (60, 298367), (68, 263265), (85, 210612), (102, 175510), (170, 105306), (204, 87755), (255, 70204), (340, 52653), (510, 35102), (1020, 17551)]