20160977780

素因数分解:

$2^2\times 5^1\times {\mathrm{42307}}^1\times {\mathrm{23827}}^1$

素因数の和:66143

約数の個数: 24

約数和(自身を含む): 42340831008

約数和(自身を除く): 22179853228

約数列:

[1, 2, 4, 5, 10, 20, 23827, 42307, 47654, 84614, 95308, 119135, 169228, 211535, 238270, 423070, 476540, 846140, 1008048889, 2016097778, 4032195556, 5040244445, 10080488890, 20160977780]

約数ペア:

[(1, 20160977780), (2, 10080488890), (4, 5040244445), (5, 4032195556), (10, 2016097778), (20, 1008048889), (23827, 846140), (42307, 476540), (47654, 423070), (84614, 238270), (95308, 211535), (119135, 169228)]