20628456

素因数分解:

$2^3\times 3^1\times {\mathrm{347}}^1\times {\mathrm{2477}}^1$

素因数の和:2833

約数の個数: 32

約数和(自身を含む): 51740640

約数和(自身を除く): 31112184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 347, 694, 1041, 1388, 2082, 2477, 2776, 4164, 4954, 7431, 8328, 9908, 14862, 19816, 29724, 59448, 859519, 1719038, 2578557, 3438076, 5157114, 6876152, 10314228, 20628456]

約数ペア:

[(1, 20628456), (2, 10314228), (3, 6876152), (4, 5157114), (6, 3438076), (8, 2578557), (12, 1719038), (24, 859519), (347, 59448), (694, 29724), (1041, 19816), (1388, 14862), (2082, 9908), (2477, 8328), (2776, 7431), (4164, 4954)]