20953471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{541}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 26224128

約数和(自身を除く): 5270657

約数列:

[1, 7, 11, 77, 503, 541, 3521, 3787, 5533, 5951, 38731, 41657, 272123, 1904861, 2993353, 20953471]

約数ペア:

[(1, 20953471), (7, 2993353), (11, 1904861), (77, 272123), (503, 41657), (541, 38731), (3521, 5951), (3787, 5533)]