202020940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22397}}^1$

素因数の和:22458

約数の個数: 48

約数和(自身を含む): 474120864

約数和(自身を除く): 272099924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 22397, 44794, 89588, 111985, 223970, 246367, 447940, 492734, 918277, 985468, 1231835, 1836554, 2463670, 3673108, 4591385, 4927340, 9182770, 10101047, 18365540, 20202094, 40404188, 50505235, 101010470, 202020940]

約数ペア:

[(1, 202020940), (2, 101010470), (4, 50505235), (5, 40404188), (10, 20202094), (11, 18365540), (20, 10101047), (22, 9182770), (41, 4927340), (44, 4591385), (55, 3673108), (82, 2463670), (110, 1836554), (164, 1231835), (205, 985468), (220, 918277), (410, 492734), (451, 447940), (820, 246367), (902, 223970), (1804, 111985), (2255, 89588), (4510, 44794), (9020, 22397)]