20772059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 27841536

約数和(自身を除く): 7069477

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 317, 407, 851, 1771, 2219, 2849, 3487, 5957, 7291, 9361, 11729, 24409, 51037, 65527, 80201, 82103, 129019, 269767, 561407, 903133, 1888369, 2967437, 20772059]

約数ペア:

[(1, 20772059), (7, 2967437), (11, 1888369), (23, 903133), (37, 561407), (77, 269767), (161, 129019), (253, 82103), (259, 80201), (317, 65527), (407, 51037), (851, 24409), (1771, 11729), (2219, 9361), (2849, 7291), (3487, 5957)]