20371330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12653}}^1$

素因数の和:12690

約数の個数: 32

約数和(自身を含む): 43732224

約数和(自身を除く): 23360894

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12653, 25306, 63265, 88571, 126530, 177142, 291019, 442855, 582038, 885710, 1455095, 2037133, 2910190, 4074266, 10185665, 20371330]

約数ペア:

[(1, 20371330), (2, 10185665), (5, 4074266), (7, 2910190), (10, 2037133), (14, 1455095), (23, 885710), (35, 582038), (46, 442855), (70, 291019), (115, 177142), (161, 126530), (230, 88571), (322, 63265), (805, 25306), (1610, 12653)]