20123994356

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{997}}^1\times {\mathrm{32141}}^1$

素因数の和:33299

約数の個数: 24

約数和(自身を含む): 35477953896

約数和(自身を除く): 15353959540

約数列:

[1, 2, 4, 157, 314, 628, 997, 1994, 3988, 32141, 64282, 128564, 156529, 313058, 626116, 5046137, 10092274, 20184548, 32044577, 64089154, 128178308, 5030998589, 10061997178, 20123994356]

約数ペア:

[(1, 20123994356), (2, 10061997178), (4, 5030998589), (157, 128178308), (314, 64089154), (628, 32044577), (997, 20184548), (1994, 10092274), (3988, 5046137), (32141, 626116), (64282, 313058), (128564, 156529)]