20161425544

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{809}}^1\times {\mathrm{18433}}^1$

素因数の和:19274

約数の個数: 48

約数和(自身を含む): 40987077300

約数和(自身を除く): 20825651756

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 809, 1352, 1618, 3236, 6472, 10517, 18433, 21034, 36866, 42068, 73732, 84136, 136721, 147464, 239629, 273442, 479258, 546884, 958516, 1093768, 1917032, 3115177, 6230354, 12460708, 14912297, 24921416, 29824594, 59649188, 119298376, 193859861, 387719722, 775439444, 1550878888, 2520178193, 5040356386, 10080712772, 20161425544]

約数ペア:

[(1, 20161425544), (2, 10080712772), (4, 5040356386), (8, 2520178193), (13, 1550878888), (26, 775439444), (52, 387719722), (104, 193859861), (169, 119298376), (338, 59649188), (676, 29824594), (809, 24921416), (1352, 14912297), (1618, 12460708), (3236, 6230354), (6472, 3115177), (10517, 1917032), (18433, 1093768), (21034, 958516), (36866, 546884), (42068, 479258), (73732, 273442), (84136, 239629), (136721, 147464)]