20023703390

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4895771}}^1$

素因数の和:4896187

約数の個数: 16

約数和(自身を含む): 36130797360

約数和(自身を除く): 16107093970

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4895771, 9791542, 24478855, 48957710, 2002370339, 4004740678, 10011851695, 20023703390]

約数ペア:

[(1, 20023703390), (2, 10011851695), (5, 4004740678), (10, 2002370339), (409, 48957710), (818, 24478855), (2045, 9791542), (4090, 4895771)]