20769147

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17351}}^1$

素因数の和:17383

約数の個数: 24

約数和(自身を含む): 36092160

約数和(自身を除く): 15323013

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17351, 52053, 121457, 156159, 329669, 364371, 989007, 1093113, 2307683, 2967021, 6923049, 20769147]

約数ペア:

[(1, 20769147), (3, 6923049), (7, 2967021), (9, 2307683), (19, 1093113), (21, 989007), (57, 364371), (63, 329669), (133, 156159), (171, 121457), (399, 52053), (1197, 17351)]