20010391

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 1637993

約数列:

[1, 23, 47, 107, 173, 1081, 2461, 3979, 5029, 8131, 18511, 115667, 187013, 425753, 870017, 20010391]

約数ペア:

[(1, 20010391), (23, 870017), (47, 425753), (107, 187013), (173, 115667), (1081, 18511), (2461, 8131), (3979, 5029)]