20120139860

素因数分解:

$2^2\times 5^1\times {\mathrm{9239}}^1\times {\mathrm{108887}}^1$

素因数の和:118135

約数の個数: 24

約数和(自身を含む): 42257255040

約数和(自身を除く): 22137115180

約数列:

[1, 2, 4, 5, 10, 20, 9239, 18478, 36956, 46195, 92390, 108887, 184780, 217774, 435548, 544435, 1088870, 2177740, 1006006993, 2012013986, 4024027972, 5030034965, 10060069930, 20120139860]

約数ペア:

[(1, 20120139860), (2, 10060069930), (4, 5030034965), (5, 4024027972), (10, 2012013986), (20, 1006006993), (9239, 2177740), (18478, 1088870), (36956, 544435), (46195, 435548), (92390, 217774), (108887, 184780)]