20406232

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 48234240

約数和(自身を除く): 27828008

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 157, 211, 308, 314, 422, 616, 628, 844, 1099, 1256, 1477, 1688, 1727, 2198, 2321, 2954, 3454, 4396, 4642, 5908, 6908, 8792, 9284, 11816, 12089, 13816, 16247, 18568, 24178, 32494, 33127, 48356, 64988, 66254, 96712, 129976, 132508, 231889, 265016, 364397, 463778, 728794, 927556, 1457588, 1855112, 2550779, 2915176, 5101558, 10203116, 20406232]

約数ペア:

[(1, 20406232), (2, 10203116), (4, 5101558), (7, 2915176), (8, 2550779), (11, 1855112), (14, 1457588), (22, 927556), (28, 728794), (44, 463778), (56, 364397), (77, 265016), (88, 231889), (154, 132508), (157, 129976), (211, 96712), (308, 66254), (314, 64988), (422, 48356), (616, 33127), (628, 32494), (844, 24178), (1099, 18568), (1256, 16247), (1477, 13816), (1688, 12089), (1727, 11816), (2198, 9284), (2321, 8792), (2954, 6908), (3454, 5908), (4396, 4642)]