20541564

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1823}}^1$

素因数の和:2146

約数の個数: 36

約数和(自身を含む): 52118976

約数和(自身を除く): 31577412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1823, 1878, 2817, 3646, 3756, 5469, 5634, 7292, 10938, 11268, 16407, 21876, 32814, 65628, 570599, 1141198, 1711797, 2282396, 3423594, 5135391, 6847188, 10270782, 20541564]

約数ペア:

[(1, 20541564), (2, 10270782), (3, 6847188), (4, 5135391), (6, 3423594), (9, 2282396), (12, 1711797), (18, 1141198), (36, 570599), (313, 65628), (626, 32814), (939, 21876), (1252, 16407), (1823, 11268), (1878, 10938), (2817, 7292), (3646, 5634), (3756, 5469)]