20210820170

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15428107}}^1$

素因数の和:15428245

約数の個数: 16

約数和(自身を含む): 36657184608

約数和(自身を除く): 16446364438

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15428107, 30856214, 77140535, 154281070, 2021082017, 4042164034, 10105410085, 20210820170]

約数ペア:

[(1, 20210820170), (2, 10105410085), (5, 4042164034), (10, 2021082017), (131, 154281070), (262, 77140535), (655, 30856214), (1310, 15428107)]