20457894236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2038451}}^1$

素因数の和:2038661

約数の個数: 24

約数和(自身を含む): 38755049424

約数和(自身を除く): 18297155188

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 2038451, 4076902, 8153804, 26499863, 52999726, 105999452, 393421043, 786842086, 1573684172, 5114473559, 10228947118, 20457894236]

約数ペア:

[(1, 20457894236), (2, 10228947118), (4, 5114473559), (13, 1573684172), (26, 786842086), (52, 393421043), (193, 105999452), (386, 52999726), (772, 26499863), (2509, 8153804), (5018, 4076902), (10036, 2038451)]