20009248

素因数分解:

$2^5\times 7^3\times {\mathrm{1823}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25955552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1823, 2744, 3646, 5488, 7292, 10976, 12761, 14584, 25522, 29168, 51044, 58336, 89327, 102088, 178654, 204176, 357308, 408352, 625289, 714616, 1250578, 1429232, 2501156, 2858464, 5002312, 10004624, 20009248]

約数ペア:

[(1, 20009248), (2, 10004624), (4, 5002312), (7, 2858464), (8, 2501156), (14, 1429232), (16, 1250578), (28, 714616), (32, 625289), (49, 408352), (56, 357308), (98, 204176), (112, 178654), (196, 102088), (224, 89327), (343, 58336), (392, 51044), (686, 29168), (784, 25522), (1372, 14584), (1568, 12761), (1823, 10976), (2744, 7292), (3646, 5488)]