20669033

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 27097344

約数和(自身を除く): 6428311

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1237, 1519, 2387, 8659, 13607, 16709, 38347, 60613, 95249, 268429, 421817, 666743, 1879003, 2952719, 20669033]

約数ペア:

[(1, 20669033), (7, 2952719), (11, 1879003), (31, 666743), (49, 421817), (77, 268429), (217, 95249), (341, 60613), (539, 38347), (1237, 16709), (1519, 13607), (2387, 8659)]