20994242

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 32372352

約数和(自身を除く): 11378110

約数列:

[1, 2, 47, 94, 173, 346, 1291, 2582, 8131, 16262, 60677, 121354, 223343, 446686, 10497121, 20994242]

約数ペア:

[(1, 20994242), (2, 10497121), (47, 446686), (94, 223343), (173, 121354), (346, 60677), (1291, 16262), (2582, 8131)]