20837556

素因数分解:

$2^2\times 3^2\times {\mathrm{578821}}^1$

素因数の和:578831

約数の個数: 18

約数和(自身を含む): 52672802

約数和(自身を除く): 31835246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578821, 1157642, 1736463, 2315284, 3472926, 5209389, 6945852, 10418778, 20837556]

約数ペア:

[(1, 20837556), (2, 10418778), (3, 6945852), (4, 5209389), (6, 3472926), (9, 2315284), (12, 1736463), (18, 1157642), (36, 578821)]