20823352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5503}}^1$

素因数の和:5563

約数の個数: 32

約数和(自身を含む): 43591680

約数和(自身を除く): 22768328

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5503, 11006, 22012, 44024, 60533, 121066, 236629, 242132, 473258, 484264, 946516, 1893032, 2602919, 5205838, 10411676, 20823352]

約数ペア:

[(1, 20823352), (2, 10411676), (4, 5205838), (8, 2602919), (11, 1893032), (22, 946516), (43, 484264), (44, 473258), (86, 242132), (88, 236629), (172, 121066), (344, 60533), (473, 44024), (946, 22012), (1892, 11006), (3784, 5503)]