20218883

素因数分解:

${\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 21482496

約数和(自身を除く): 1263613

約数列:

[1, 47, 71, 73, 83, 3337, 3431, 3901, 5183, 5893, 6059, 243601, 276971, 284773, 430189, 20218883]

約数ペア:

[(1, 20218883), (47, 430189), (71, 284773), (73, 276971), (83, 243601), (3337, 6059), (3431, 5893), (3901, 5183)]