20856402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165527}}^1$

素因数の和:165542

約数の個数: 24

約数和(自身を含む): 51644736

約数和(自身を除く): 30788334

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165527, 331054, 496581, 993162, 1158689, 1489743, 2317378, 2979486, 3476067, 6952134, 10428201, 20856402]

約数ペア:

[(1, 20856402), (2, 10428201), (3, 6952134), (6, 3476067), (7, 2979486), (9, 2317378), (14, 1489743), (18, 1158689), (21, 993162), (42, 496581), (63, 331054), (126, 165527)]