20120255001

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{96457}}^1$

素因数の和:96531

約数の個数: 72

約数和(自身を含む): 37738999584

約数和(自身を除く): 17618744583

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 49, 63, 77, 99, 129, 147, 231, 301, 387, 441, 473, 539, 693, 903, 1419, 1617, 2107, 2709, 3311, 4257, 4851, 6321, 9933, 18963, 23177, 29799, 69531, 96457, 208593, 289371, 675199, 868113, 1061027, 2025597, 3183081, 4147651, 4726393, 6076791, 7427189, 9549243, 12442953, 14179179, 22281567, 29033557, 37328859, 42537537, 45624161, 51990323, 66844701, 87100671, 136872483, 155970969, 203234899, 261302013, 319369127, 410617449, 467912907, 609704697, 958107381, 1829114091, 2235583889, 2874322143, 6706751667, 20120255001]

約数ペア:

[(1, 20120255001), (3, 6706751667), (7, 2874322143), (9, 2235583889), (11, 1829114091), (21, 958107381), (33, 609704697), (43, 467912907), (49, 410617449), (63, 319369127), (77, 261302013), (99, 203234899), (129, 155970969), (147, 136872483), (231, 87100671), (301, 66844701), (387, 51990323), (441, 45624161), (473, 42537537), (539, 37328859), (693, 29033557), (903, 22281567), (1419, 14179179), (1617, 12442953), (2107, 9549243), (2709, 7427189), (3311, 6076791), (4257, 4726393), (4851, 4147651), (6321, 3183081), (9933, 2025597), (18963, 1061027), (23177, 868113), (29799, 675199), (69531, 289371), (96457, 208593)]