20355273

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 12142647

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 727, 1037, 1647, 2181, 3111, 6543, 9333, 12359, 19629, 27999, 37077, 44347, 111231, 133041, 333693, 399123, 753899, 1197369, 2261697, 6785091, 20355273]

約数ペア:

[(1, 20355273), (3, 6785091), (9, 2261697), (17, 1197369), (27, 753899), (51, 399123), (61, 333693), (153, 133041), (183, 111231), (459, 44347), (549, 37077), (727, 27999), (1037, 19629), (1647, 12359), (2181, 9333), (3111, 6543)]