20860833

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7583}}^1$

素因数の和:7724

約数の個数: 16

約数和(自身を含む): 32034816

約数和(自身を除く): 11173983

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7583, 22749, 53081, 159243, 993373, 2980119, 6953611, 20860833]

約数ペア:

[(1, 20860833), (3, 6953611), (7, 2980119), (21, 993373), (131, 159243), (393, 53081), (917, 22749), (2751, 7583)]