20520700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12071}}^1$

素因数の和:12102

約数の個数: 36

約数和(自身を含む): 47153232

約数和(自身を除く): 26632532

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12071, 24142, 48284, 60355, 120710, 205207, 241420, 301775, 410414, 603550, 820828, 1026035, 1207100, 2052070, 4104140, 5130175, 10260350, 20520700]

約数ペア:

[(1, 20520700), (2, 10260350), (4, 5130175), (5, 4104140), (10, 2052070), (17, 1207100), (20, 1026035), (25, 820828), (34, 603550), (50, 410414), (68, 301775), (85, 241420), (100, 205207), (170, 120710), (340, 60355), (425, 48284), (850, 24142), (1700, 12071)]