20543721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1669}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 29979840

約数和(自身を除く): 9436119

約数列:

[1, 3, 11, 33, 373, 1119, 1669, 4103, 5007, 12309, 18359, 55077, 622537, 1867611, 6847907, 20543721]

約数ペア:

[(1, 20543721), (3, 6847907), (11, 1867611), (33, 622537), (373, 55077), (1119, 18359), (1669, 12309), (4103, 5007)]