13809940

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 29070720

約数和(自身を除く): 15260780

約数列:

[1, 2, 4, 5, 10, 20, 823, 839, 1646, 1678, 3292, 3356, 4115, 4195, 8230, 8390, 16460, 16780, 690497, 1380994, 2761988, 3452485, 6904970, 13809940]

約数ペア:

[(1, 13809940), (2, 6904970), (4, 3452485), (5, 2761988), (10, 1380994), (20, 690497), (823, 16780), (839, 16460), (1646, 8390), (1678, 8230), (3292, 4195), (3356, 4115)]