20922223

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1613}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 25565760

約数和(自身を除く): 4643537

約数列:

[1, 7, 17, 109, 119, 763, 1613, 1853, 11291, 12971, 27421, 175817, 191947, 1230719, 2988889, 20922223]

約数ペア:

[(1, 20922223), (7, 2988889), (17, 1230719), (109, 191947), (119, 175817), (763, 27421), (1613, 12971), (1853, 11291)]