20256698

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 43338240

約数和(自身を除く): 23081542

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 43, 46, 49, 77, 86, 98, 133, 154, 161, 209, 253, 266, 301, 322, 418, 437, 473, 506, 539, 602, 817, 874, 931, 946, 989, 1078, 1127, 1463, 1634, 1771, 1862, 1978, 2107, 2254, 2926, 3059, 3311, 3542, 4214, 4807, 5719, 6118, 6622, 6923, 8987, 9614, 10241, 10879, 11438, 12397, 13846, 17974, 18791, 20482, 21413, 21758, 23177, 24794, 33649, 37582, 40033, 42826, 46354, 48461, 62909, 67298, 76153, 80066, 96922, 125818, 131537, 152306, 206701, 235543, 263074, 413402, 440363, 471086, 533071, 880726, 920759, 1066142, 1446907, 1841518, 2893814, 10128349, 20256698]

約数ペア:

[(1, 20256698), (2, 10128349), (7, 2893814), (11, 1841518), (14, 1446907), (19, 1066142), (22, 920759), (23, 880726), (38, 533071), (43, 471086), (46, 440363), (49, 413402), (77, 263074), (86, 235543), (98, 206701), (133, 152306), (154, 131537), (161, 125818), (209, 96922), (253, 80066), (266, 76153), (301, 67298), (322, 62909), (418, 48461), (437, 46354), (473, 42826), (506, 40033), (539, 37582), (602, 33649), (817, 24794), (874, 23177), (931, 21758), (946, 21413), (989, 20482), (1078, 18791), (1127, 17974), (1463, 13846), (1634, 12397), (1771, 11438), (1862, 10879), (1978, 10241), (2107, 9614), (2254, 8987), (2926, 6923), (3059, 6622), (3311, 6118), (3542, 5719), (4214, 4807)]