20858163

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 28939680

約数和(自身を除く): 8081517

約数列:

[1, 3, 29, 87, 197, 591, 1217, 3651, 5713, 17139, 35293, 105879, 239749, 719247, 6952721, 20858163]

約数ペア:

[(1, 20858163), (3, 6952721), (29, 719247), (87, 239749), (197, 105879), (591, 35293), (1217, 17139), (3651, 5713)]