20548836

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 67798080

約数和(自身を除く): 47249244

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 353, 378, 396, 441, 462, 539, 588, 594, 693, 706, 756, 882, 924, 1059, 1078, 1188, 1323, 1386, 1412, 1617, 1764, 2079, 2118, 2156, 2471, 2646, 2772, 3177, 3234, 3883, 4158, 4236, 4851, 4942, 5292, 6354, 6468, 7413, 7766, 8316, 9531, 9702, 9884, 11649, 12708, 14553, 14826, 15532, 17297, 19062, 19404, 22239, 23298, 27181, 29106, 29652, 34594, 34947, 38124, 44478, 46596, 51891, 54362, 58212, 66717, 69188, 69894, 81543, 88956, 103782, 104841, 108724, 133434, 139788, 155673, 163086, 190267, 207564, 209682, 244629, 266868, 311346, 326172, 380534, 419364, 467019, 489258, 570801, 622692, 733887, 761068, 934038, 978516, 1141602, 1467774, 1712403, 1868076, 2283204, 2935548, 3424806, 5137209, 6849612, 10274418, 20548836]

約数ペア:

[(1, 20548836), (2, 10274418), (3, 6849612), (4, 5137209), (6, 3424806), (7, 2935548), (9, 2283204), (11, 1868076), (12, 1712403), (14, 1467774), (18, 1141602), (21, 978516), (22, 934038), (27, 761068), (28, 733887), (33, 622692), (36, 570801), (42, 489258), (44, 467019), (49, 419364), (54, 380534), (63, 326172), (66, 311346), (77, 266868), (84, 244629), (98, 209682), (99, 207564), (108, 190267), (126, 163086), (132, 155673), (147, 139788), (154, 133434), (189, 108724), (196, 104841), (198, 103782), (231, 88956), (252, 81543), (294, 69894), (297, 69188), (308, 66717), (353, 58212), (378, 54362), (396, 51891), (441, 46596), (462, 44478), (539, 38124), (588, 34947), (594, 34594), (693, 29652), (706, 29106), (756, 27181), (882, 23298), (924, 22239), (1059, 19404), (1078, 19062), (1188, 17297), (1323, 15532), (1386, 14826), (1412, 14553), (1617, 12708), (1764, 11649), (2079, 9884), (2118, 9702), (2156, 9531), (2471, 8316), (2646, 7766), (2772, 7413), (3177, 6468), (3234, 6354), (3883, 5292), (4158, 4942), (4236, 4851)]