20639614

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{719}}^1$

素因数の和:1215

約数の個数: 16

約数和(自身を含む): 32071680

約数和(自身を除く): 11432066

約数列:

[1, 2, 31, 62, 463, 719, 926, 1438, 14353, 22289, 28706, 44578, 332897, 665794, 10319807, 20639614]

約数ペア:

[(1, 20639614), (2, 10319807), (31, 665794), (62, 332897), (463, 44578), (719, 28706), (926, 22289), (1438, 14353)]