20767245

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3967}}^1$

素因数の和:4324

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 12563955

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 3967, 5235, 11901, 19835, 59505, 1384483, 4153449, 6922415, 20767245]

約数ペア:

[(1, 20767245), (3, 6922415), (5, 4153449), (15, 1384483), (349, 59505), (1047, 19835), (1745, 11901), (3967, 5235)]