20164989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12611}}^1$

素因数の和:12668

約数の個数: 16

約数和(自身を含む): 29663424

約数和(自身を除く): 9498435

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12611, 37833, 163943, 491829, 517051, 1551153, 6721663, 20164989]

約数ペア:

[(1, 20164989), (3, 6721663), (13, 1551153), (39, 517051), (41, 491829), (123, 163943), (533, 37833), (1599, 12611)]