20773048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 44712000

約数和(自身を除く): 23938952

約数列:

[1, 2, 4, 8, 17, 23, 29, 34, 46, 58, 68, 92, 116, 136, 184, 229, 232, 391, 458, 493, 667, 782, 916, 986, 1334, 1564, 1832, 1972, 2668, 3128, 3893, 3944, 5267, 5336, 6641, 7786, 10534, 11339, 13282, 15572, 21068, 22678, 26564, 31144, 42136, 45356, 53128, 89539, 90712, 112897, 152743, 179078, 225794, 305486, 358156, 451588, 610972, 716312, 903176, 1221944, 2596631, 5193262, 10386524, 20773048]

約数ペア:

[(1, 20773048), (2, 10386524), (4, 5193262), (8, 2596631), (17, 1221944), (23, 903176), (29, 716312), (34, 610972), (46, 451588), (58, 358156), (68, 305486), (92, 225794), (116, 179078), (136, 152743), (184, 112897), (229, 90712), (232, 89539), (391, 53128), (458, 45356), (493, 42136), (667, 31144), (782, 26564), (916, 22678), (986, 21068), (1334, 15572), (1564, 13282), (1832, 11339), (1972, 10534), (2668, 7786), (3128, 6641), (3893, 5336), (3944, 5267)]