20196973107

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5798729}}^1$

素因数の和:5798784

約数の個数: 20

約数和(自身を含む): 30872438520

約数和(自身を除く): 10675465413

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5798729, 17396187, 52188561, 156565683, 249345347, 469697049, 748036041, 2244108123, 6732324369, 20196973107]

約数ペア:

[(1, 20196973107), (3, 6732324369), (9, 2244108123), (27, 748036041), (43, 469697049), (81, 249345347), (129, 156565683), (387, 52188561), (1161, 17396187), (3483, 5798729)]