20174295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 34490880

約数和(自身を除く): 14316585

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 997, 1065, 1349, 2991, 4047, 4985, 6745, 14955, 18943, 20235, 56829, 70787, 94715, 212361, 284145, 353935, 1061805, 1344953, 4034859, 6724765, 20174295]

約数ペア:

[(1, 20174295), (3, 6724765), (5, 4034859), (15, 1344953), (19, 1061805), (57, 353935), (71, 284145), (95, 212361), (213, 94715), (285, 70787), (355, 56829), (997, 20235), (1065, 18943), (1349, 14955), (2991, 6745), (4047, 4985)]