20785622011

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{20021}}^1$

素因数の和:20275

約数の個数: 32

約数和(自身を含む): 26371376640

約数和(自身を除く): 5585754629

約数列:

[1, 7, 11, 77, 97, 139, 679, 973, 1067, 1529, 7469, 10703, 13483, 20021, 94381, 140147, 148313, 220231, 1038191, 1541617, 1942037, 2782919, 13594259, 19480433, 21362407, 30612109, 149536849, 214284763, 269943143, 1889602001, 2969374573, 20785622011]

約数ペア:

[(1, 20785622011), (7, 2969374573), (11, 1889602001), (77, 269943143), (97, 214284763), (139, 149536849), (679, 30612109), (973, 21362407), (1067, 19480433), (1529, 13594259), (7469, 2782919), (10703, 1942037), (13483, 1541617), (20021, 1038191), (94381, 220231), (140147, 148313)]