20072997

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2022

約数の個数: 36

約数和(自身を含む): 35212320

約数和(自身を除く): 15139323

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1979, 3381, 5937, 10143, 13853, 17811, 41559, 45517, 96971, 124677, 136551, 290913, 318619, 409653, 872739, 955857, 2230333, 2867571, 6690999, 20072997]

約数ペア:

[(1, 20072997), (3, 6690999), (7, 2867571), (9, 2230333), (21, 955857), (23, 872739), (49, 409653), (63, 318619), (69, 290913), (147, 136551), (161, 124677), (207, 96971), (441, 45517), (483, 41559), (1127, 17811), (1449, 13853), (1979, 10143), (3381, 5937)]