20898

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1$

素因数の和:60

約数の個数: 24

約数和(自身を含む): 48048

約数和(自身を除く): 27150

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 1161, 2322, 3483, 6966, 10449, 20898]

約数ペア:

[(1, 20898), (2, 10449), (3, 6966), (6, 3483), (9, 2322), (18, 1161), (27, 774), (43, 486), (54, 387), (81, 258), (86, 243), (129, 162)]