20123488077

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87114667}}^1$

素因数の和:87114688

約数の個数: 16

約数和(自身を含む): 33452032512

約数和(自身を除く): 13328544435

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87114667, 261344001, 609802669, 958261337, 1829408007, 2874784011, 6707829359, 20123488077]

約数ペア:

[(1, 20123488077), (3, 6707829359), (7, 2874784011), (11, 1829408007), (21, 958261337), (33, 609802669), (77, 261344001), (231, 87114667)]