20308953

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1481}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 31015296

約数和(自身を除く): 10706343

約数列:

[1, 3, 7, 21, 653, 1481, 1959, 4443, 4571, 10367, 13713, 31101, 967093, 2901279, 6769651, 20308953]

約数ペア:

[(1, 20308953), (3, 6769651), (7, 2901279), (21, 967093), (653, 31101), (1481, 13713), (1959, 10367), (4443, 4571)]