20257646

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1723

約数の個数: 16

約数和(自身を含む): 31168800

約数和(自身を除く): 10911154

約数列:

[1, 2, 73, 89, 146, 178, 1559, 3118, 6497, 12994, 113807, 138751, 227614, 277502, 10128823, 20257646]

約数ペア:

[(1, 20257646), (2, 10128823), (73, 277502), (89, 227614), (146, 138751), (178, 113807), (1559, 12994), (3118, 6497)]