20736567

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3900

約数の個数: 20

約数和(自身を含む): 31447416

約数和(自身を除く): 10710849

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3821, 5427, 11463, 34389, 103167, 256007, 309501, 768021, 2304063, 6912189, 20736567]

約数ペア:

[(1, 20736567), (3, 6912189), (9, 2304063), (27, 768021), (67, 309501), (81, 256007), (201, 103167), (603, 34389), (1809, 11463), (3821, 5427)]