20478366

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 46029600

約数和(自身を除く): 25551234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4261, 4806, 8522, 12783, 25566, 38349, 76698, 115047, 230094, 379229, 758458, 1137687, 2275374, 3413061, 6826122, 10239183, 20478366]

約数ペア:

[(1, 20478366), (2, 10239183), (3, 6826122), (6, 3413061), (9, 2275374), (18, 1137687), (27, 758458), (54, 379229), (89, 230094), (178, 115047), (267, 76698), (534, 38349), (801, 25566), (1602, 12783), (2403, 8522), (4261, 4806)]