20806812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1$

素因数の和:1979

約数の個数: 72

約数和(自身を含む): 59133984

約数和(自身を除く): 38327172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1933, 2691, 3588, 3866, 5382, 5799, 7732, 10764, 11598, 17397, 23196, 25129, 34794, 44459, 50258, 69588, 75387, 88918, 100516, 133377, 150774, 177836, 226161, 266754, 301548, 400131, 452322, 533508, 577967, 800262, 904644, 1155934, 1600524, 1733901, 2311868, 3467802, 5201703, 6935604, 10403406, 20806812]

約数ペア:

[(1, 20806812), (2, 10403406), (3, 6935604), (4, 5201703), (6, 3467802), (9, 2311868), (12, 1733901), (13, 1600524), (18, 1155934), (23, 904644), (26, 800262), (36, 577967), (39, 533508), (46, 452322), (52, 400131), (69, 301548), (78, 266754), (92, 226161), (117, 177836), (138, 150774), (156, 133377), (207, 100516), (234, 88918), (276, 75387), (299, 69588), (414, 50258), (468, 44459), (598, 34794), (828, 25129), (897, 23196), (1196, 17397), (1794, 11598), (1933, 10764), (2691, 7732), (3588, 5799), (3866, 5382)]