20196710968

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{4021}}^1$

素因数の和:4640

約数の個数: 64

約数和(自身を含む): 43582392000

約数和(自身を除く): 23385681032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 349, 514, 698, 1028, 1396, 1799, 2056, 2443, 2792, 3598, 4021, 4886, 7196, 8042, 9772, 14392, 16084, 19544, 28147, 32168, 56294, 89693, 112588, 179386, 225176, 358772, 627851, 717544, 1033397, 1255702, 1403329, 2066794, 2511404, 2806658, 4133588, 5022808, 5613316, 7233779, 8267176, 9823303, 11226632, 14467558, 19646606, 28935116, 39293212, 57870232, 78586424, 360655553, 721311106, 1442622212, 2524588871, 2885244424, 5049177742, 10098355484, 20196710968]

約数ペア:

[(1, 20196710968), (2, 10098355484), (4, 5049177742), (7, 2885244424), (8, 2524588871), (14, 1442622212), (28, 721311106), (56, 360655553), (257, 78586424), (349, 57870232), (514, 39293212), (698, 28935116), (1028, 19646606), (1396, 14467558), (1799, 11226632), (2056, 9823303), (2443, 8267176), (2792, 7233779), (3598, 5613316), (4021, 5022808), (4886, 4133588), (7196, 2806658), (8042, 2511404), (9772, 2066794), (14392, 1403329), (16084, 1255702), (19544, 1033397), (28147, 717544), (32168, 627851), (56294, 358772), (89693, 225176), (112588, 179386)]