20248767

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 37140480

約数和(自身を除く): 16891713

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 479, 549, 671, 693, 1281, 1437, 2013, 3353, 3843, 4311, 4697, 5269, 6039, 10059, 14091, 15807, 29219, 30177, 36883, 42273, 47421, 87657, 110649, 204533, 262971, 321409, 331947, 613599, 964227, 1840797, 2249863, 2892681, 6749589, 20248767]

約数ペア:

[(1, 20248767), (3, 6749589), (7, 2892681), (9, 2249863), (11, 1840797), (21, 964227), (33, 613599), (61, 331947), (63, 321409), (77, 262971), (99, 204533), (183, 110649), (231, 87657), (427, 47421), (479, 42273), (549, 36883), (671, 30177), (693, 29219), (1281, 15807), (1437, 14091), (2013, 10059), (3353, 6039), (3843, 5269), (4311, 4697)]