20161495562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 33161694720

約数和(自身を除く): 13000199158

約数列:

[1, 2, 13, 26, 89, 178, 223, 439, 446, 878, 1157, 2314, 2899, 5707, 5798, 7921, 11414, 15842, 19847, 39071, 39694, 78142, 97897, 102973, 195794, 205946, 258011, 507923, 516022, 1015846, 1272661, 1766383, 2545322, 3477319, 3532766, 6954638, 8712833, 17425666, 22962979, 45205147, 45925958, 90410294, 113266829, 226533658, 775442137, 1550884274, 10080747781, 20161495562]

約数ペア:

[(1, 20161495562), (2, 10080747781), (13, 1550884274), (26, 775442137), (89, 226533658), (178, 113266829), (223, 90410294), (439, 45925958), (446, 45205147), (878, 22962979), (1157, 17425666), (2314, 8712833), (2899, 6954638), (5707, 3532766), (5798, 3477319), (7921, 2545322), (11414, 1766383), (15842, 1272661), (19847, 1015846), (39071, 516022), (39694, 507923), (78142, 258011), (97897, 205946), (102973, 195794)]