20160791

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 3561193

約数列:

[1, 7, 47, 233, 263, 329, 1631, 1841, 10951, 12361, 61279, 76657, 86527, 428953, 2880113, 20160791]

約数ペア:

[(1, 20160791), (7, 2880113), (47, 428953), (233, 86527), (263, 76657), (329, 61279), (1631, 12361), (1841, 10951)]