20018948

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 36129240

約数和(自身を除く): 16110292

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 1061, 2122, 4244, 4717, 9434, 18868, 56233, 94429, 112466, 188858, 224932, 377716, 5004737, 10009474, 20018948]

約数ペア:

[(1, 20018948), (2, 10009474), (4, 5004737), (53, 377716), (89, 224932), (106, 188858), (178, 112466), (212, 94429), (356, 56233), (1061, 18868), (2122, 9434), (4244, 4717)]