20529651

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 28986880

約数和(自身を除く): 8457229

約数列:

[1, 3, 29, 79, 87, 103, 237, 309, 841, 2291, 2523, 2987, 6873, 8137, 8961, 24411, 66439, 86623, 199317, 235973, 259869, 707919, 6843217, 20529651]

約数ペア:

[(1, 20529651), (3, 6843217), (29, 707919), (79, 259869), (87, 235973), (103, 199317), (237, 86623), (309, 66439), (841, 24411), (2291, 8961), (2523, 8137), (2987, 6873)]