20006826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28377174

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 139, 149, 161, 278, 298, 322, 417, 447, 483, 834, 894, 966, 973, 1043, 1946, 2086, 2919, 3129, 3197, 3427, 5838, 6258, 6394, 6854, 9591, 10281, 19182, 20562, 20711, 22379, 23989, 41422, 44758, 47978, 62133, 67137, 71967, 124266, 134274, 143934, 144977, 289954, 434931, 476353, 869862, 952706, 1429059, 2858118, 3334471, 6668942, 10003413, 20006826]

約数ペア:

[(1, 20006826), (2, 10003413), (3, 6668942), (6, 3334471), (7, 2858118), (14, 1429059), (21, 952706), (23, 869862), (42, 476353), (46, 434931), (69, 289954), (138, 144977), (139, 143934), (149, 134274), (161, 124266), (278, 71967), (298, 67137), (322, 62133), (417, 47978), (447, 44758), (483, 41422), (834, 23989), (894, 22379), (966, 20711), (973, 20562), (1043, 19182), (1946, 10281), (2086, 9591), (2919, 6854), (3129, 6394), (3197, 6258), (3427, 5838)]