20265783

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2113}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 28412160

約数和(自身を除く): 8146377

約数列:

[1, 3, 23, 69, 139, 417, 2113, 3197, 6339, 9591, 48599, 145797, 293707, 881121, 6755261, 20265783]

約数ペア:

[(1, 20265783), (3, 6755261), (23, 881121), (69, 293707), (139, 145797), (417, 48599), (2113, 9591), (3197, 6339)]