20523610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 18759590

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 991, 1090, 1982, 2071, 4142, 4955, 9910, 10355, 18829, 20710, 37658, 94145, 108019, 188290, 216038, 540095, 1080190, 2052361, 4104722, 10261805, 20523610]

約数ペア:

[(1, 20523610), (2, 10261805), (5, 4104722), (10, 2052361), (19, 1080190), (38, 540095), (95, 216038), (109, 188290), (190, 108019), (218, 94145), (545, 37658), (991, 20710), (1090, 18829), (1982, 10355), (2071, 9910), (4142, 4955)]