20125909548

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{11423}}^1$

素因数の和:11991

約数の個数: 72

約数和(自身を含む): 51459408000

約数和(自身を除く): 31333498452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 449, 654, 898, 981, 1308, 1347, 1796, 1962, 2694, 3924, 4041, 5388, 8082, 11423, 16164, 22846, 34269, 45692, 48941, 68538, 97882, 102807, 137076, 146823, 195764, 205614, 293646, 411228, 440469, 587292, 880938, 1245107, 1761876, 2490214, 3735321, 4980428, 5128927, 7470642, 10257854, 11205963, 14941284, 15386781, 20515708, 22411926, 30773562, 44823852, 46160343, 61547124, 92320686, 184641372, 559053043, 1118106086, 1677159129, 2236212172, 3354318258, 5031477387, 6708636516, 10062954774, 20125909548]

約数ペア:

[(1, 20125909548), (2, 10062954774), (3, 6708636516), (4, 5031477387), (6, 3354318258), (9, 2236212172), (12, 1677159129), (18, 1118106086), (36, 559053043), (109, 184641372), (218, 92320686), (327, 61547124), (436, 46160343), (449, 44823852), (654, 30773562), (898, 22411926), (981, 20515708), (1308, 15386781), (1347, 14941284), (1796, 11205963), (1962, 10257854), (2694, 7470642), (3924, 5128927), (4041, 4980428), (5388, 3735321), (8082, 2490214), (11423, 1761876), (16164, 1245107), (22846, 880938), (34269, 587292), (45692, 440469), (48941, 411228), (68538, 293646), (97882, 205614), (102807, 195764), (137076, 146823)]