20579658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 24901302

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 869, 1738, 2607, 3947, 5214, 7894, 11841, 23682, 43417, 86834, 130251, 260502, 311813, 623626, 935439, 1870878, 3429943, 6859886, 10289829, 20579658]

約数ペア:

[(1, 20579658), (2, 10289829), (3, 6859886), (6, 3429943), (11, 1870878), (22, 935439), (33, 623626), (66, 311813), (79, 260502), (158, 130251), (237, 86834), (474, 43417), (869, 23682), (1738, 11841), (2607, 7894), (3947, 5214)]