20733579

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 33789600

約数和(自身を除く): 13056021

約数列:

[1, 3, 9, 19, 29, 37, 57, 87, 111, 113, 171, 261, 333, 339, 551, 703, 1017, 1073, 1653, 2109, 2147, 3219, 3277, 4181, 4959, 6327, 6441, 9657, 9831, 12543, 19323, 20387, 29493, 37629, 61161, 62263, 79439, 121249, 183483, 186789, 238317, 363747, 560367, 714951, 1091241, 2303731, 6911193, 20733579]

約数ペア:

[(1, 20733579), (3, 6911193), (9, 2303731), (19, 1091241), (29, 714951), (37, 560367), (57, 363747), (87, 238317), (111, 186789), (113, 183483), (171, 121249), (261, 79439), (333, 62263), (339, 61161), (551, 37629), (703, 29493), (1017, 20387), (1073, 19323), (1653, 12543), (2109, 9831), (2147, 9657), (3219, 6441), (3277, 6327), (4181, 4959)]