20215328

素因数分解:

$2^5\times 7^1\times {\mathrm{90247}}^1$

素因数の和:90264

約数の個数: 24

約数和(自身を含む): 45484992

約数和(自身を除く): 25269664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90247, 180494, 360988, 631729, 721976, 1263458, 1443952, 2526916, 2887904, 5053832, 10107664, 20215328]

約数ペア:

[(1, 20215328), (2, 10107664), (4, 5053832), (7, 2887904), (8, 2526916), (14, 1443952), (16, 1263458), (28, 721976), (32, 631729), (56, 360988), (112, 180494), (224, 90247)]