20573868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 57476608

約数和(自身を除く): 36902740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 463, 483, 529, 644, 926, 966, 1058, 1389, 1587, 1852, 1932, 2116, 2778, 3174, 3241, 3703, 5556, 6348, 6482, 7406, 9723, 10649, 11109, 12964, 14812, 19446, 21298, 22218, 31947, 38892, 42596, 44436, 63894, 74543, 127788, 149086, 223629, 244927, 298172, 447258, 489854, 734781, 894516, 979708, 1469562, 1714489, 2939124, 3428978, 5143467, 6857956, 10286934, 20573868]

約数ペア:

[(1, 20573868), (2, 10286934), (3, 6857956), (4, 5143467), (6, 3428978), (7, 2939124), (12, 1714489), (14, 1469562), (21, 979708), (23, 894516), (28, 734781), (42, 489854), (46, 447258), (69, 298172), (84, 244927), (92, 223629), (138, 149086), (161, 127788), (276, 74543), (322, 63894), (463, 44436), (483, 42596), (529, 38892), (644, 31947), (926, 22218), (966, 21298), (1058, 19446), (1389, 14812), (1587, 12964), (1852, 11109), (1932, 10649), (2116, 9723), (2778, 7406), (3174, 6482), (3241, 6348), (3703, 5556)]