20349693

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24847}}^1$

素因数の和:24873

約数の個数: 24

約数和(自身を含む): 36178688

約数和(自身を除く): 15828995

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24847, 74541, 173929, 223623, 323011, 521787, 969033, 1565361, 2261077, 2907099, 6783231, 20349693]

約数ペア:

[(1, 20349693), (3, 6783231), (7, 2907099), (9, 2261077), (13, 1565361), (21, 969033), (39, 521787), (63, 323011), (91, 223623), (117, 173929), (273, 74541), (819, 24847)]