20218610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5218

約数の個数: 32

約数和(自身を含む): 40217472

約数和(自身を除く): 19998862

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5171, 10342, 25855, 51710, 87907, 118933, 175814, 237866, 439535, 594665, 879070, 1189330, 2021861, 4043722, 10109305, 20218610]

約数ペア:

[(1, 20218610), (2, 10109305), (5, 4043722), (10, 2021861), (17, 1189330), (23, 879070), (34, 594665), (46, 439535), (85, 237866), (115, 175814), (170, 118933), (230, 87907), (391, 51710), (782, 25855), (1955, 10342), (3910, 5171)]