20969631

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5669}}^1$

素因数の和:5815

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 10328769

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5669, 17007, 51021, 153063, 776653, 2329959, 6989877, 20969631]

約数ペア:

[(1, 20969631), (3, 6989877), (9, 2329959), (27, 776653), (137, 153063), (411, 51021), (1233, 17007), (3699, 5669)]