20438385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 36070272

約数和(自身を除く): 15631887

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1277, 1455, 3201, 3831, 5335, 6385, 14047, 16005, 19155, 42141, 70235, 123869, 210705, 371607, 619345, 1362559, 1858035, 4087677, 6812795, 20438385]

約数ペア:

[(1, 20438385), (3, 6812795), (5, 4087677), (11, 1858035), (15, 1362559), (33, 619345), (55, 371607), (97, 210705), (165, 123869), (291, 70235), (485, 42141), (1067, 19155), (1277, 16005), (1455, 14047), (3201, 6385), (3831, 5335)]