20512136159990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{195913}}^1\times {\mathrm{156269}}^1$

素因数の和:352256

約数の個数: 32

約数和(自身を含む): 37473348474720

約数和(自身を除く): 16961212314730

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 156269, 195913, 312538, 391826, 781345, 979565, 1562690, 1959130, 10470023, 13126171, 20940046, 26252342, 52350115, 65630855, 104700230, 131261710, 30615128597, 61230257194, 153075642985, 306151285970, 2051213615999, 4102427231998, 10256068079995, 20512136159990]

約数ペア:

[(1, 20512136159990), (2, 10256068079995), (5, 4102427231998), (10, 2051213615999), (67, 306151285970), (134, 153075642985), (335, 61230257194), (670, 30615128597), (156269, 131261710), (195913, 104700230), (312538, 65630855), (391826, 52350115), (781345, 26252342), (979565, 20940046), (1562690, 13126171), (1959130, 10470023)]