20649057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 12037023

約数列:

[1, 3, 11, 13, 33, 39, 127, 143, 379, 381, 429, 1137, 1397, 1651, 4169, 4191, 4927, 4953, 12507, 14781, 18161, 48133, 54197, 54483, 144399, 162591, 529463, 625729, 1588389, 1877187, 6883019, 20649057]

約数ペア:

[(1, 20649057), (3, 6883019), (11, 1877187), (13, 1588389), (33, 625729), (39, 529463), (127, 162591), (143, 144399), (379, 54483), (381, 54197), (429, 48133), (1137, 18161), (1397, 14781), (1651, 12507), (4169, 4953), (4191, 4927)]