20995443

素因数分解:

$3^5\times 7^1\times {\mathrm{12343}}^1$

素因数の和:12365

約数の個数: 24

約数和(自身を含む): 35945728

約数和(自身を除く): 14950285

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12343, 37029, 86401, 111087, 259203, 333261, 777609, 999783, 2332827, 2999349, 6998481, 20995443]

約数ペア:

[(1, 20995443), (3, 6998481), (7, 2999349), (9, 2332827), (21, 999783), (27, 777609), (63, 333261), (81, 259203), (189, 111087), (243, 86401), (567, 37029), (1701, 12343)]