20985624

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26497}}^1$

素因数の和:26520

約数の個数: 48

約数和(自身を含む): 62005320

約数和(自身を除く): 41019696

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26497, 52994, 79491, 105988, 158982, 211976, 238473, 291467, 317964, 476946, 582934, 635928, 874401, 953892, 1165868, 1748802, 1907784, 2331736, 2623203, 3497604, 5246406, 6995208, 10492812, 20985624]

約数ペア:

[(1, 20985624), (2, 10492812), (3, 6995208), (4, 5246406), (6, 3497604), (8, 2623203), (9, 2331736), (11, 1907784), (12, 1748802), (18, 1165868), (22, 953892), (24, 874401), (33, 635928), (36, 582934), (44, 476946), (66, 317964), (72, 291467), (88, 238473), (99, 211976), (132, 158982), (198, 105988), (264, 79491), (396, 52994), (792, 26497)]