20433441

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 31883520

約数和(自身を除く): 11450079

約数列:

[1, 3, 7, 21, 49, 147, 229, 607, 687, 1603, 1821, 4249, 4809, 11221, 12747, 29743, 33663, 89229, 139003, 417009, 973021, 2919063, 6811147, 20433441]

約数ペア:

[(1, 20433441), (3, 6811147), (7, 2919063), (21, 973021), (49, 417009), (147, 139003), (229, 89229), (607, 33663), (687, 29743), (1603, 12747), (1821, 11221), (4249, 4809)]