20372457

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42179}}^1$

素因数の和:42212

約数の個数: 16

約数和(自身を含む): 32394240

約数和(自身を除く): 12021783

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42179, 126537, 295253, 885759, 970117, 2910351, 6790819, 20372457]

約数ペア:

[(1, 20372457), (3, 6790819), (7, 2910351), (21, 970117), (23, 885759), (69, 295253), (161, 126537), (483, 42179)]