20085500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 46934160

約数和(自身を除く): 26848660

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 139, 170, 250, 278, 289, 340, 425, 500, 556, 578, 695, 850, 1156, 1390, 1445, 1700, 2125, 2363, 2780, 2890, 3475, 4250, 4726, 5780, 6950, 7225, 8500, 9452, 11815, 13900, 14450, 17375, 23630, 28900, 34750, 36125, 40171, 47260, 59075, 69500, 72250, 80342, 118150, 144500, 160684, 200855, 236300, 295375, 401710, 590750, 803420, 1004275, 1181500, 2008550, 4017100, 5021375, 10042750, 20085500]

約数ペア:

[(1, 20085500), (2, 10042750), (4, 5021375), (5, 4017100), (10, 2008550), (17, 1181500), (20, 1004275), (25, 803420), (34, 590750), (50, 401710), (68, 295375), (85, 236300), (100, 200855), (125, 160684), (139, 144500), (170, 118150), (250, 80342), (278, 72250), (289, 69500), (340, 59075), (425, 47260), (500, 40171), (556, 36125), (578, 34750), (695, 28900), (850, 23630), (1156, 17375), (1390, 14450), (1445, 13900), (1700, 11815), (2125, 9452), (2363, 8500), (2780, 7225), (2890, 6950), (3475, 5780), (4250, 4726)]