20946584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23376616

約数列:

[1, 2, 4, 8, 17, 29, 34, 47, 58, 68, 94, 113, 116, 136, 188, 226, 232, 376, 452, 493, 799, 904, 986, 1363, 1598, 1921, 1972, 2726, 3196, 3277, 3842, 3944, 5311, 5452, 6392, 6554, 7684, 10622, 10904, 13108, 15368, 21244, 23171, 26216, 42488, 46342, 55709, 90287, 92684, 111418, 154019, 180574, 185368, 222836, 308038, 361148, 445672, 616076, 722296, 1232152, 2618323, 5236646, 10473292, 20946584]

約数ペア:

[(1, 20946584), (2, 10473292), (4, 5236646), (8, 2618323), (17, 1232152), (29, 722296), (34, 616076), (47, 445672), (58, 361148), (68, 308038), (94, 222836), (113, 185368), (116, 180574), (136, 154019), (188, 111418), (226, 92684), (232, 90287), (376, 55709), (452, 46342), (493, 42488), (799, 26216), (904, 23171), (986, 21244), (1363, 15368), (1598, 13108), (1921, 10904), (1972, 10622), (2726, 7684), (3196, 6554), (3277, 6392), (3842, 5452), (3944, 5311)]