20161718128

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1129}}^1\times {\mathrm{21059}}^1$

素因数の和:22249

約数の個数: 40

約数和(自身を含む): 39837517200

約数和(自身を除く): 19675799072

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1129, 2258, 4516, 9032, 18064, 21059, 42118, 59837, 84236, 119674, 168472, 239348, 336944, 478696, 957392, 1116127, 2232254, 4464508, 8929016, 17858032, 23775611, 47551222, 95102444, 190204888, 380409776, 1260107383, 2520214766, 5040429532, 10080859064, 20161718128]

約数ペア:

[(1, 20161718128), (2, 10080859064), (4, 5040429532), (8, 2520214766), (16, 1260107383), (53, 380409776), (106, 190204888), (212, 95102444), (424, 47551222), (848, 23775611), (1129, 17858032), (2258, 8929016), (4516, 4464508), (9032, 2232254), (18064, 1116127), (21059, 957392), (42118, 478696), (59837, 336944), (84236, 239348), (119674, 168472)]