20714500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2473

約数の個数: 48

約数和(自身を含む): 47921328

約数和(自身を除く): 27206828

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2437, 4250, 4874, 8500, 9748, 12185, 24370, 41429, 48740, 60925, 82858, 121850, 165716, 207145, 243700, 304625, 414290, 609250, 828580, 1035725, 1218500, 2071450, 4142900, 5178625, 10357250, 20714500]

約数ペア:

[(1, 20714500), (2, 10357250), (4, 5178625), (5, 4142900), (10, 2071450), (17, 1218500), (20, 1035725), (25, 828580), (34, 609250), (50, 414290), (68, 304625), (85, 243700), (100, 207145), (125, 165716), (170, 121850), (250, 82858), (340, 60925), (425, 48740), (500, 41429), (850, 24370), (1700, 12185), (2125, 9748), (2437, 8500), (4250, 4874)]