20211184

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 45045728

約数和(自身を除く): 24834544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 997, 1267, 1448, 1994, 2534, 2896, 3988, 5068, 6979, 7976, 10136, 13958, 15952, 20272, 27916, 55832, 111664, 180457, 360914, 721828, 1263199, 1443656, 2526398, 2887312, 5052796, 10105592, 20211184]

約数ペア:

[(1, 20211184), (2, 10105592), (4, 5052796), (7, 2887312), (8, 2526398), (14, 1443656), (16, 1263199), (28, 721828), (56, 360914), (112, 180457), (181, 111664), (362, 55832), (724, 27916), (997, 20272), (1267, 15952), (1448, 13958), (1994, 10136), (2534, 7976), (2896, 6979), (3988, 5068)]