20218497574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{28921}}^1$

素因数の和:29716

約数の個数: 32

約数和(自身を含む): 33901211520

約数和(自身を除く): 13682713946

約数列:

[1, 2, 11, 22, 43, 86, 473, 739, 946, 1478, 8129, 16258, 28921, 31777, 57842, 63554, 318131, 349547, 636262, 699094, 1243603, 2487206, 13679633, 21372619, 27359266, 42745238, 235098809, 470197618, 919022617, 1838045234, 10109248787, 20218497574]

約数ペア:

[(1, 20218497574), (2, 10109248787), (11, 1838045234), (22, 919022617), (43, 470197618), (86, 235098809), (473, 42745238), (739, 27359266), (946, 21372619), (1478, 13679633), (8129, 2487206), (16258, 1243603), (28921, 699094), (31777, 636262), (57842, 349547), (63554, 318131)]