20256054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 52061184

約数和(自身を除く): 31805130

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1613, 1794, 2093, 3226, 4186, 4839, 6279, 9678, 11291, 12558, 20969, 22582, 33873, 37099, 41938, 62907, 67746, 74198, 111297, 125814, 146783, 222594, 259693, 293566, 440349, 482287, 519386, 779079, 880698, 964574, 1446861, 1558158, 2893722, 3376009, 6752018, 10128027, 20256054]

約数ペア:

[(1, 20256054), (2, 10128027), (3, 6752018), (6, 3376009), (7, 2893722), (13, 1558158), (14, 1446861), (21, 964574), (23, 880698), (26, 779079), (39, 519386), (42, 482287), (46, 440349), (69, 293566), (78, 259693), (91, 222594), (138, 146783), (161, 125814), (182, 111297), (273, 74198), (299, 67746), (322, 62907), (483, 41938), (546, 37099), (598, 33873), (897, 22582), (966, 20969), (1613, 12558), (1794, 11291), (2093, 9678), (3226, 6279), (4186, 4839)]