20996957577

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{35923}}^1$

素因数の和:36189

約数の個数: 32

約数和(自身を含む): 30045109248

約数和(自身を除く): 9048151671

約数列:

[1, 3, 23, 43, 69, 129, 197, 591, 989, 2967, 4531, 8471, 13593, 25413, 35923, 107769, 194833, 584499, 826229, 1544689, 2478687, 4634067, 7076831, 21230493, 35527847, 106583541, 162767113, 304303733, 488301339, 912911199, 6998985859, 20996957577]

約数ペア:

[(1, 20996957577), (3, 6998985859), (23, 912911199), (43, 488301339), (69, 304303733), (129, 162767113), (197, 106583541), (591, 35527847), (989, 21230493), (2967, 7076831), (4531, 4634067), (8471, 2478687), (13593, 1544689), (25413, 826229), (35923, 584499), (107769, 194833)]