20901588

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{25997}}^1$

素因数の和:26071

約数の個数: 24

約数和(自身を含む): 49500192

約数和(自身を除く): 28598604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 25997, 51994, 77991, 103988, 155982, 311964, 1741799, 3483598, 5225397, 6967196, 10450794, 20901588]

約数ペア:

[(1, 20901588), (2, 10450794), (3, 6967196), (4, 5225397), (6, 3483598), (12, 1741799), (67, 311964), (134, 155982), (201, 103988), (268, 77991), (402, 51994), (804, 25997)]