20067509

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 26309376

約数和(自身を除く): 6241867

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1201, 1519, 2387, 8407, 13211, 16709, 37231, 58849, 92477, 260617, 409541, 647339, 1824319, 2866787, 20067509]

約数ペア:

[(1, 20067509), (7, 2866787), (11, 1824319), (31, 647339), (49, 409541), (77, 260617), (217, 92477), (341, 58849), (539, 37231), (1201, 16709), (1519, 13211), (2387, 8407)]