20555883

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11700117

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 599, 837, 1107, 1271, 1797, 3813, 5391, 11439, 16173, 18569, 24559, 34317, 55707, 73677, 167121, 221031, 501363, 663093, 761329, 2283987, 6851961, 20555883]

約数ペア:

[(1, 20555883), (3, 6851961), (9, 2283987), (27, 761329), (31, 663093), (41, 501363), (93, 221031), (123, 167121), (279, 73677), (369, 55707), (599, 34317), (837, 24559), (1107, 18569), (1271, 16173), (1797, 11439), (3813, 5391)]