20626191

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 33228800

約数和(自身を除く): 12602609

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1297, 1767, 3891, 5301, 11673, 15903, 24643, 35019, 40207, 73929, 120621, 221787, 361863, 665361, 763933, 1085589, 2291799, 6875397, 20626191]

約数ペア:

[(1, 20626191), (3, 6875397), (9, 2291799), (19, 1085589), (27, 763933), (31, 665361), (57, 361863), (93, 221787), (171, 120621), (279, 73929), (513, 40207), (589, 35019), (837, 24643), (1297, 15903), (1767, 11673), (3891, 5301)]