20015280159

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5707237}}^1$

素因数の和:5707414

約数の個数: 16

約数和(自身を含む): 30682111488

約数和(自身を除く): 10666831329

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 5707237, 17121711, 39950659, 119851977, 953108579, 2859325737, 6671760053, 20015280159]

約数ペア:

[(1, 20015280159), (3, 6671760053), (7, 2859325737), (21, 953108579), (167, 119851977), (501, 39950659), (1169, 17121711), (3507, 5707237)]