20617434

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 26107686

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 127, 174, 254, 261, 311, 381, 522, 622, 762, 933, 1143, 1866, 2286, 2799, 3683, 5598, 7366, 9019, 11049, 18038, 22098, 27057, 33147, 39497, 54114, 66294, 78994, 81171, 118491, 162342, 236982, 355473, 710946, 1145413, 2290826, 3436239, 6872478, 10308717, 20617434]

約数ペア:

[(1, 20617434), (2, 10308717), (3, 6872478), (6, 3436239), (9, 2290826), (18, 1145413), (29, 710946), (58, 355473), (87, 236982), (127, 162342), (174, 118491), (254, 81171), (261, 78994), (311, 66294), (381, 54114), (522, 39497), (622, 33147), (762, 27057), (933, 22098), (1143, 18038), (1866, 11049), (2286, 9019), (2799, 7366), (3683, 5598)]