20927412

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 59099040

約数和(自身を除く): 38171628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1229, 1419, 1548, 1892, 2458, 2838, 3687, 4257, 4916, 5676, 7374, 8514, 11061, 13519, 14748, 17028, 22122, 27038, 40557, 44244, 52847, 54076, 81114, 105694, 121671, 158541, 162228, 211388, 243342, 317082, 475623, 486684, 581317, 634164, 951246, 1162634, 1743951, 1902492, 2325268, 3487902, 5231853, 6975804, 10463706, 20927412]

約数ペア:

[(1, 20927412), (2, 10463706), (3, 6975804), (4, 5231853), (6, 3487902), (9, 2325268), (11, 1902492), (12, 1743951), (18, 1162634), (22, 951246), (33, 634164), (36, 581317), (43, 486684), (44, 475623), (66, 317082), (86, 243342), (99, 211388), (129, 162228), (132, 158541), (172, 121671), (198, 105694), (258, 81114), (387, 54076), (396, 52847), (473, 44244), (516, 40557), (774, 27038), (946, 22122), (1229, 17028), (1419, 14748), (1548, 13519), (1892, 11061), (2458, 8514), (2838, 7374), (3687, 5676), (4257, 4916)]