2021982460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1042259}}^1$

素因数の和:1042365

約数の個数: 24

約数和(自身を含む): 4289942160

約数和(自身を除く): 2267959700

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1042259, 2084518, 4169036, 5211295, 10422590, 20845180, 101099123, 202198246, 404396492, 505495615, 1010991230, 2021982460]

約数ペア:

[(1, 2021982460), (2, 1010991230), (4, 505495615), (5, 404396492), (10, 202198246), (20, 101099123), (97, 20845180), (194, 10422590), (388, 5211295), (485, 4169036), (970, 2084518), (1940, 1042259)]