20835940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3761}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 43925112

約数和(自身を除く): 23089172

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3761, 5540, 7522, 15044, 18805, 37610, 75220, 1041797, 2083594, 4167188, 5208985, 10417970, 20835940]

約数ペア:

[(1, 20835940), (2, 10417970), (4, 5208985), (5, 4167188), (10, 2083594), (20, 1041797), (277, 75220), (554, 37610), (1108, 18805), (1385, 15044), (2770, 7522), (3761, 5540)]