20249292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 57802752

約数和(自身を除く): 37553460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 223, 276, 282, 322, 329, 446, 483, 564, 644, 658, 669, 892, 966, 987, 1081, 1316, 1338, 1561, 1932, 1974, 2162, 2676, 3122, 3243, 3948, 4324, 4683, 5129, 6244, 6486, 7567, 9366, 10258, 10481, 12972, 15134, 15387, 18732, 20516, 20962, 22701, 30268, 30774, 31443, 35903, 41924, 45402, 61548, 62886, 71806, 73367, 90804, 107709, 125772, 143612, 146734, 215418, 220101, 241063, 293468, 430836, 440202, 482126, 723189, 880404, 964252, 1446378, 1687441, 2892756, 3374882, 5062323, 6749764, 10124646, 20249292]

約数ペア:

[(1, 20249292), (2, 10124646), (3, 6749764), (4, 5062323), (6, 3374882), (7, 2892756), (12, 1687441), (14, 1446378), (21, 964252), (23, 880404), (28, 723189), (42, 482126), (46, 440202), (47, 430836), (69, 293468), (84, 241063), (92, 220101), (94, 215418), (138, 146734), (141, 143612), (161, 125772), (188, 107709), (223, 90804), (276, 73367), (282, 71806), (322, 62886), (329, 61548), (446, 45402), (483, 41924), (564, 35903), (644, 31443), (658, 30774), (669, 30268), (892, 22701), (966, 20962), (987, 20516), (1081, 18732), (1316, 15387), (1338, 15134), (1561, 12972), (1932, 10481), (1974, 10258), (2162, 9366), (2676, 7567), (3122, 6486), (3243, 6244), (3948, 5129), (4324, 4683)]