20931801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8689}}^1$

素因数の和:8776

約数の個数: 16

約数和(自身を含む): 30866880

約数和(自身を除く): 9935079

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8689, 26067, 95579, 286737, 634297, 1902891, 6977267, 20931801]

約数ペア:

[(1, 20931801), (3, 6977267), (11, 1902891), (33, 634297), (73, 286737), (219, 95579), (803, 26067), (2409, 8689)]