20565236997

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{9049}}^1\times {\mathrm{10979}}^1$

素因数の和:20057

約数の個数: 24

約数和(自身を含む): 31003128000

約数和(自身を除く): 10437891003

約数列:

[1, 3, 9, 23, 69, 207, 9049, 10979, 27147, 32937, 81441, 98811, 208127, 252517, 624381, 757551, 1873143, 2272653, 99348971, 298046913, 894140739, 2285026333, 6855078999, 20565236997]

約数ペア:

[(1, 20565236997), (3, 6855078999), (9, 2285026333), (23, 894140739), (69, 298046913), (207, 99348971), (9049, 2272653), (10979, 1873143), (27147, 757551), (32937, 624381), (81441, 252517), (98811, 208127)]