20512548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:694

約数の個数: 96

約数和(自身を含む): 62289920

約数和(自身を除く): 41777372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 631, 756, 774, 903, 1161, 1204, 1262, 1548, 1806, 1893, 2322, 2524, 2709, 3612, 3786, 4417, 4644, 5418, 5679, 7572, 8127, 8834, 10836, 11358, 13251, 16254, 17037, 17668, 22716, 26502, 27133, 32508, 34074, 39753, 53004, 54266, 68148, 79506, 81399, 108532, 119259, 159012, 162798, 189931, 238518, 244197, 325596, 379862, 477036, 488394, 569793, 732591, 759724, 976788, 1139586, 1465182, 1709379, 2279172, 2930364, 3418758, 5128137, 6837516, 10256274, 20512548]

約数ペア:

[(1, 20512548), (2, 10256274), (3, 6837516), (4, 5128137), (6, 3418758), (7, 2930364), (9, 2279172), (12, 1709379), (14, 1465182), (18, 1139586), (21, 976788), (27, 759724), (28, 732591), (36, 569793), (42, 488394), (43, 477036), (54, 379862), (63, 325596), (84, 244197), (86, 238518), (108, 189931), (126, 162798), (129, 159012), (172, 119259), (189, 108532), (252, 81399), (258, 79506), (301, 68148), (378, 54266), (387, 53004), (516, 39753), (602, 34074), (631, 32508), (756, 27133), (774, 26502), (903, 22716), (1161, 17668), (1204, 17037), (1262, 16254), (1548, 13251), (1806, 11358), (1893, 10836), (2322, 8834), (2524, 8127), (2709, 7572), (3612, 5679), (3786, 5418), (4417, 4644)]