20565273

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 28212480

約数和(自身を除く): 7647207

約数列:

[1, 3, 47, 141, 157, 471, 929, 2787, 7379, 22137, 43663, 130989, 145853, 437559, 6855091, 20565273]

約数ペア:

[(1, 20565273), (3, 6855091), (47, 437559), (141, 145853), (157, 130989), (471, 43663), (929, 22137), (2787, 7379)]