20201105500

素因数分解:

$2^2\times 5^3\times {\mathrm{2221}}^1\times {\mathrm{18191}}^1$

素因数の和:20431

約数の個数: 48

約数和(自身を含む): 44141505408

約数和(自身を除く): 23940399908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 2221, 4442, 8884, 11105, 18191, 22210, 36382, 44420, 55525, 72764, 90955, 111050, 181910, 222100, 277625, 363820, 454775, 555250, 909550, 1110500, 1819100, 2273875, 4547750, 9095500, 40402211, 80804422, 161608844, 202011055, 404022110, 808044220, 1010055275, 2020110550, 4040221100, 5050276375, 10100552750, 20201105500]

約数ペア:

[(1, 20201105500), (2, 10100552750), (4, 5050276375), (5, 4040221100), (10, 2020110550), (20, 1010055275), (25, 808044220), (50, 404022110), (100, 202011055), (125, 161608844), (250, 80804422), (500, 40402211), (2221, 9095500), (4442, 4547750), (8884, 2273875), (11105, 1819100), (18191, 1110500), (22210, 909550), (36382, 555250), (44420, 454775), (55525, 363820), (72764, 277625), (90955, 222100), (111050, 181910)]