20786982045

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{247067}}^1$

素因数の和:247225

約数の個数: 32

約数和(自身を含む): 34154680320

約数和(自身を除く): 13367698275

約数列:

[1, 3, 5, 15, 71, 79, 213, 237, 355, 395, 1065, 1185, 5609, 16827, 28045, 84135, 247067, 741201, 1235335, 3706005, 17541757, 19518293, 52625271, 58554879, 87708785, 97591465, 263126355, 292774395, 1385798803, 4157396409, 6928994015, 20786982045]

約数ペア:

[(1, 20786982045), (3, 6928994015), (5, 4157396409), (15, 1385798803), (71, 292774395), (79, 263126355), (213, 97591465), (237, 87708785), (355, 58554879), (395, 52625271), (1065, 19518293), (1185, 17541757), (5609, 3706005), (16827, 1235335), (28045, 741201), (84135, 247067)]