20018178

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4261}}^1$

素因数の和:4304

約数の個数: 40

約数和(自身を含む): 46413180

約数和(自身を除く): 26395002

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 4261, 4698, 8522, 12783, 25566, 38349, 76698, 115047, 123569, 230094, 247138, 345141, 370707, 690282, 741414, 1112121, 2224242, 3336363, 6672726, 10009089, 20018178]

約数ペア:

[(1, 20018178), (2, 10009089), (3, 6672726), (6, 3336363), (9, 2224242), (18, 1112121), (27, 741414), (29, 690282), (54, 370707), (58, 345141), (81, 247138), (87, 230094), (162, 123569), (174, 115047), (261, 76698), (522, 38349), (783, 25566), (1566, 12783), (2349, 8522), (4261, 4698)]