20566869

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 7564971

約数列:

[1, 3, 59, 131, 177, 393, 887, 2661, 7729, 23187, 52333, 116197, 156999, 348591, 6855623, 20566869]

約数ペア:

[(1, 20566869), (3, 6855623), (59, 348591), (131, 156999), (177, 116197), (393, 52333), (887, 23187), (2661, 7729)]