20893972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3187}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 40168800

約数和(自身を除く): 19274828

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3187, 3278, 6374, 6556, 12748, 35057, 70114, 140228, 474863, 949726, 1899452, 5223493, 10446986, 20893972]

約数ペア:

[(1, 20893972), (2, 10446986), (4, 5223493), (11, 1899452), (22, 949726), (44, 474863), (149, 140228), (298, 70114), (596, 35057), (1639, 12748), (3187, 6556), (3278, 6374)]