20473790

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21107}}^1$

素因数の和:21211

約数の個数: 16

約数和(自身を含む): 37234512

約数和(自身を除く): 16760722

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 21107, 42214, 105535, 211070, 2047379, 4094758, 10236895, 20473790]

約数ペア:

[(1, 20473790), (2, 10236895), (5, 4094758), (10, 2047379), (97, 211070), (194, 105535), (485, 42214), (970, 21107)]