20744809729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{16759}}^1$

素因数の和:17053

約数の個数: 32

約数和(自身を含む): 25679001600

約数和(自身を除く): 4934191871

約数列:

[1, 7, 19, 41, 133, 227, 287, 779, 1589, 4313, 5453, 9307, 16759, 30191, 65149, 117313, 176833, 318421, 687119, 1237831, 2228947, 3804293, 4809833, 13055261, 26630051, 72281567, 91386827, 155976013, 505970969, 1091832091, 2963544247, 20744809729]

約数ペア:

[(1, 20744809729), (7, 2963544247), (19, 1091832091), (41, 505970969), (133, 155976013), (227, 91386827), (287, 72281567), (779, 26630051), (1589, 13055261), (4313, 4809833), (5453, 3804293), (9307, 2228947), (16759, 1237831), (30191, 687119), (65149, 318421), (117313, 176833)]