20713040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13627}}^1$

素因数の和:13659

約数の個数: 40

約数和(自身を含む): 50696160

約数和(自身を除く): 29983120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13627, 27254, 54508, 68135, 109016, 136270, 218032, 258913, 272540, 517826, 545080, 1035652, 1090160, 1294565, 2071304, 2589130, 4142608, 5178260, 10356520, 20713040]

約数ペア:

[(1, 20713040), (2, 10356520), (4, 5178260), (5, 4142608), (8, 2589130), (10, 2071304), (16, 1294565), (19, 1090160), (20, 1035652), (38, 545080), (40, 517826), (76, 272540), (80, 258913), (95, 218032), (152, 136270), (190, 109016), (304, 68135), (380, 54508), (760, 27254), (1520, 13627)]