20861673

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26849}}^1$

素因数の和:26896

約数の個数: 16

約数和(自身を含む): 32649600

約数和(自身を除く): 11787927

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26849, 80547, 187943, 563829, 993413, 2980239, 6953891, 20861673]

約数ペア:

[(1, 20861673), (3, 6953891), (7, 2980239), (21, 993413), (37, 563829), (111, 187943), (259, 80547), (777, 26849)]