20347844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2516

約数の個数: 36

約数和(自身を含む): 41459292

約数和(自身を除く): 21111448

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2473, 4114, 4946, 8228, 9892, 27203, 42041, 54406, 84082, 108812, 168164, 299233, 462451, 598466, 924902, 1196932, 1849804, 5086961, 10173922, 20347844]

約数ペア:

[(1, 20347844), (2, 10173922), (4, 5086961), (11, 1849804), (17, 1196932), (22, 924902), (34, 598466), (44, 462451), (68, 299233), (121, 168164), (187, 108812), (242, 84082), (374, 54406), (484, 42041), (748, 27203), (2057, 9892), (2473, 8228), (4114, 4946)]