20621468

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6883}}^1$

素因数の和:7001

約数の個数: 24

約数和(自身を含む): 41634432

約数和(自身を除く): 21012964

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6883, 13766, 27532, 48181, 96362, 192724, 736481, 1472962, 2945924, 5155367, 10310734, 20621468]

約数ペア:

[(1, 20621468), (2, 10310734), (4, 5155367), (7, 2945924), (14, 1472962), (28, 736481), (107, 192724), (214, 96362), (428, 48181), (749, 27532), (1498, 13766), (2996, 6883)]