15991940

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2729}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 33710040

約数和(自身を除く): 17718100

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2729, 2930, 5458, 5860, 10916, 13645, 27290, 54580, 799597, 1599194, 3198388, 3997985, 7995970, 15991940]

約数ペア:

[(1, 15991940), (2, 7995970), (4, 3997985), (5, 3198388), (10, 1599194), (20, 799597), (293, 54580), (586, 27290), (1172, 13645), (1465, 10916), (2729, 5860), (2930, 5458)]