20976057

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 12815943

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1319, 1767, 3957, 5301, 11871, 15903, 25061, 35613, 40889, 75183, 122667, 225549, 368001, 676647, 776891, 1104003, 2330673, 6992019, 20976057]

約数ペア:

[(1, 20976057), (3, 6992019), (9, 2330673), (19, 1104003), (27, 776891), (31, 676647), (57, 368001), (93, 225549), (171, 122667), (279, 75183), (513, 40889), (589, 35613), (837, 25061), (1319, 15903), (1767, 11871), (3957, 5301)]