20158544

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9473}}^1$

素因数の和:9507

約数の個数: 40

約数和(自身を含む): 46991040

約数和(自身を除く): 26832496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9473, 18946, 37892, 66311, 75784, 132622, 151568, 179987, 265244, 359974, 530488, 719948, 1060976, 1259909, 1439896, 2519818, 2879792, 5039636, 10079272, 20158544]

約数ペア:

[(1, 20158544), (2, 10079272), (4, 5039636), (7, 2879792), (8, 2519818), (14, 1439896), (16, 1259909), (19, 1060976), (28, 719948), (38, 530488), (56, 359974), (76, 265244), (112, 179987), (133, 151568), (152, 132622), (266, 75784), (304, 66311), (532, 37892), (1064, 18946), (2128, 9473)]