20994682912

素因数分解:

$2^5\times 7^1\times {\mathrm{607}}^1\times {\mathrm{154409}}^1$

素因数の和:155033

約数の個数: 48

約数和(自身を含む): 47316165120

約数和(自身を除く): 26321482208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 607, 1214, 2428, 4249, 4856, 8498, 9712, 16996, 19424, 33992, 67984, 135968, 154409, 308818, 617636, 1080863, 1235272, 2161726, 2470544, 4323452, 4941088, 8646904, 17293808, 34587616, 93726263, 187452526, 374905052, 656083841, 749810104, 1312167682, 1499620208, 2624335364, 2999240416, 5248670728, 10497341456, 20994682912]

約数ペア:

[(1, 20994682912), (2, 10497341456), (4, 5248670728), (7, 2999240416), (8, 2624335364), (14, 1499620208), (16, 1312167682), (28, 749810104), (32, 656083841), (56, 374905052), (112, 187452526), (224, 93726263), (607, 34587616), (1214, 17293808), (2428, 8646904), (4249, 4941088), (4856, 4323452), (8498, 2470544), (9712, 2161726), (16996, 1235272), (19424, 1080863), (33992, 617636), (67984, 308818), (135968, 154409)]