20388297

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1039}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 28221440

約数和(自身を除く): 7833143

約数列:

[1, 3, 31, 93, 211, 633, 1039, 3117, 6541, 19623, 32209, 96627, 219229, 657687, 6796099, 20388297]

約数ペア:

[(1, 20388297), (3, 6796099), (31, 657687), (93, 219229), (211, 96627), (633, 32209), (1039, 19623), (3117, 6541)]