20207512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2341}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 41312880

約数和(自身を除く): 21105368

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2341, 4316, 4682, 8632, 9364, 18728, 30433, 60866, 121732, 194303, 243464, 388606, 777212, 1554424, 2525939, 5051878, 10103756, 20207512]

約数ペア:

[(1, 20207512), (2, 10103756), (4, 5051878), (8, 2525939), (13, 1554424), (26, 777212), (52, 388606), (83, 243464), (104, 194303), (166, 121732), (332, 60866), (664, 30433), (1079, 18728), (2158, 9364), (2341, 8632), (4316, 4682)]