20374767

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 35033600

約数和(自身を除く): 14658833

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1609, 1809, 4221, 4827, 11263, 12663, 14481, 33789, 43443, 101367, 107803, 304101, 323409, 754621, 970227, 2263863, 2910681, 6791589, 20374767]

約数ペア:

[(1, 20374767), (3, 6791589), (7, 2910681), (9, 2263863), (21, 970227), (27, 754621), (63, 323409), (67, 304101), (189, 107803), (201, 101367), (469, 43443), (603, 33789), (1407, 14481), (1609, 12663), (1809, 11263), (4221, 4827)]