20897501

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 1663267

約数列:

[1, 23, 67, 71, 191, 1541, 1633, 4393, 4757, 12797, 13561, 109411, 294331, 311903, 908587, 20897501]

約数ペア:

[(1, 20897501), (23, 908587), (67, 311903), (71, 294331), (191, 109411), (1541, 13561), (1633, 12797), (4393, 4757)]