20197370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28447}}^1$

素因数の和:28525

約数の個数: 16

約数和(自身を含む): 36868608

約数和(自身を除く): 16671238

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28447, 56894, 142235, 284470, 2019737, 4039474, 10098685, 20197370]

約数ペア:

[(1, 20197370), (2, 10098685), (5, 4039474), (10, 2019737), (71, 284470), (142, 142235), (355, 56894), (710, 28447)]