20466369

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4219}}^1$

素因数の和:4250

約数の個数: 36

約数和(自身を含む): 37524240

約数和(自身を除く): 17057871

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4219, 4851, 12657, 29533, 37971, 46409, 88599, 139227, 206731, 265797, 324863, 417681, 620193, 974589, 1860579, 2274041, 2923767, 6822123, 20466369]

約数ペア:

[(1, 20466369), (3, 6822123), (7, 2923767), (9, 2274041), (11, 1860579), (21, 974589), (33, 620193), (49, 417681), (63, 324863), (77, 265797), (99, 206731), (147, 139227), (231, 88599), (441, 46409), (539, 37971), (693, 29533), (1617, 12657), (4219, 4851)]