20862093

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 32622240

約数和(自身を除く): 11760147

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1021, 2919, 3063, 6811, 7147, 20433, 21441, 50029, 141919, 150087, 425757, 993433, 2980299, 6954031, 20862093]

約数ペア:

[(1, 20862093), (3, 6954031), (7, 2980299), (21, 993433), (49, 425757), (139, 150087), (147, 141919), (417, 50029), (973, 21441), (1021, 20433), (2919, 7147), (3063, 6811)]