20225876

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 40582080

約数和(自身を除く): 20356204

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 131, 242, 262, 319, 484, 524, 638, 1276, 1331, 1441, 2662, 2882, 3509, 3799, 5324, 5764, 7018, 7598, 14036, 15196, 15851, 31702, 38599, 41789, 63404, 77198, 83578, 154396, 167156, 174361, 348722, 459679, 697444, 919358, 1838716, 5056469, 10112938, 20225876]

約数ペア:

[(1, 20225876), (2, 10112938), (4, 5056469), (11, 1838716), (22, 919358), (29, 697444), (44, 459679), (58, 348722), (116, 174361), (121, 167156), (131, 154396), (242, 83578), (262, 77198), (319, 63404), (484, 41789), (524, 38599), (638, 31702), (1276, 15851), (1331, 15196), (1441, 14036), (2662, 7598), (2882, 7018), (3509, 5764), (3799, 5324)]