20836890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1823}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 54632448

約数和(自身を除く): 33795558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1823, 1905, 2286, 3646, 3810, 5469, 5715, 9115, 10938, 11430, 16407, 18230, 27345, 32814, 54690, 82035, 164070, 231521, 463042, 694563, 1157605, 1389126, 2083689, 2315210, 3472815, 4167378, 6945630, 10418445, 20836890]

約数ペア:

[(1, 20836890), (2, 10418445), (3, 6945630), (5, 4167378), (6, 3472815), (9, 2315210), (10, 2083689), (15, 1389126), (18, 1157605), (30, 694563), (45, 463042), (90, 231521), (127, 164070), (254, 82035), (381, 54690), (635, 32814), (762, 27345), (1143, 18230), (1270, 16407), (1823, 11430), (1905, 10938), (2286, 9115), (3646, 5715), (3810, 5469)]