20638484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{613}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 38166240

約数和(自身を除く): 17527756

約数列:

[1, 2, 4, 19, 38, 76, 443, 613, 886, 1226, 1772, 2452, 8417, 11647, 16834, 23294, 33668, 46588, 271559, 543118, 1086236, 5159621, 10319242, 20638484]

約数ペア:

[(1, 20638484), (2, 10319242), (4, 5159621), (19, 1086236), (38, 543118), (76, 271559), (443, 46588), (613, 33668), (886, 23294), (1226, 16834), (1772, 11647), (2452, 8417)]