20658548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1187}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 17595052

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 1187, 2374, 4351, 4748, 8702, 17404, 22553, 45106, 90212, 271823, 543646, 1087292, 5164637, 10329274, 20658548]

約数ペア:

[(1, 20658548), (2, 10329274), (4, 5164637), (19, 1087292), (38, 543646), (76, 271823), (229, 90212), (458, 45106), (916, 22553), (1187, 17404), (2374, 8702), (4351, 4748)]