20487466

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{673}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 31834368

約数和(自身を除く): 11346902

約数列:

[1, 2, 31, 62, 491, 673, 982, 1346, 15221, 20863, 30442, 41726, 330443, 660886, 10243733, 20487466]

約数ペア:

[(1, 20487466), (2, 10243733), (31, 660886), (62, 330443), (491, 41726), (673, 30442), (982, 20863), (1346, 15221)]