20168970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 52068096

約数和(自身を除く): 31899126

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 557, 710, 1065, 1114, 1207, 1671, 2130, 2414, 2785, 3342, 3621, 5570, 6035, 7242, 8355, 9469, 12070, 16710, 18105, 18938, 28407, 36210, 39547, 47345, 56814, 79094, 94690, 118641, 142035, 197735, 237282, 284070, 395470, 593205, 672299, 1186410, 1344598, 2016897, 3361495, 4033794, 6722990, 10084485, 20168970]

約数ペア:

[(1, 20168970), (2, 10084485), (3, 6722990), (5, 4033794), (6, 3361495), (10, 2016897), (15, 1344598), (17, 1186410), (30, 672299), (34, 593205), (51, 395470), (71, 284070), (85, 237282), (102, 197735), (142, 142035), (170, 118641), (213, 94690), (255, 79094), (355, 56814), (426, 47345), (510, 39547), (557, 36210), (710, 28407), (1065, 18938), (1114, 18105), (1207, 16710), (1671, 12070), (2130, 9469), (2414, 8355), (2785, 7242), (3342, 6035), (3621, 5570)]