19720956

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15359}}^1$

素因数の和:15473

約数の個数: 24

約数和(自身を含む): 46448640

約数和(自身を除く): 26727684

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 15359, 30718, 46077, 61436, 92154, 184308, 1643413, 3286826, 4930239, 6573652, 9860478, 19720956]

約数ペア:

[(1, 19720956), (2, 9860478), (3, 6573652), (4, 4930239), (6, 3286826), (12, 1643413), (107, 184308), (214, 92154), (321, 61436), (428, 46077), (642, 30718), (1284, 15359)]