20047079205

素因数分解:

$3^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{82361}}^1$

素因数の和:82979

約数の個数: 40

約数和(自身を含む): 35996476824

約数和(自身を除く): 15949397619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 601, 1803, 3005, 5409, 9015, 16227, 27045, 48681, 81135, 82361, 243405, 247083, 411805, 741249, 1235415, 2223747, 3706245, 6671241, 11118735, 33356205, 49498961, 148496883, 247494805, 445490649, 742484415, 1336471947, 2227453245, 4009415841, 6682359735, 20047079205]

約数ペア:

[(1, 20047079205), (3, 6682359735), (5, 4009415841), (9, 2227453245), (15, 1336471947), (27, 742484415), (45, 445490649), (81, 247494805), (135, 148496883), (405, 49498961), (601, 33356205), (1803, 11118735), (3005, 6671241), (5409, 3706245), (9015, 2223747), (16227, 1235415), (27045, 741249), (48681, 411805), (81135, 247083), (82361, 243405)]