20690028

素因数分解:

$2^2\times 3^2\times {\mathrm{574723}}^1$

素因数の和:574733

約数の個数: 18

約数和(自身を含む): 52299884

約数和(自身を除く): 31609856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 574723, 1149446, 1724169, 2298892, 3448338, 5172507, 6896676, 10345014, 20690028]

約数ペア:

[(1, 20690028), (2, 10345014), (3, 6896676), (4, 5172507), (6, 3448338), (9, 2298892), (12, 1724169), (18, 1149446), (36, 574723)]