20091291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{941}}^1$

素因数の和:1602

約数の個数: 16

約数和(自身を含む): 29299968

約数和(自身を除く): 9208677

約数列:

[1, 3, 11, 33, 647, 941, 1941, 2823, 7117, 10351, 21351, 31053, 608827, 1826481, 6697097, 20091291]

約数ペア:

[(1, 20091291), (3, 6697097), (11, 1826481), (33, 608827), (647, 31053), (941, 21351), (1941, 10351), (2823, 7117)]