20650716

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 56687904

約数和(自身を除く): 36037188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 823, 1394, 1476, 1646, 2091, 2469, 2788, 3292, 4182, 4938, 6273, 7407, 8364, 9876, 12546, 13991, 14814, 25092, 27982, 29628, 33743, 41973, 55964, 67486, 83946, 101229, 125919, 134972, 167892, 202458, 251838, 303687, 404916, 503676, 573631, 607374, 1147262, 1214748, 1720893, 2294524, 3441786, 5162679, 6883572, 10325358, 20650716]

約数ペア:

[(1, 20650716), (2, 10325358), (3, 6883572), (4, 5162679), (6, 3441786), (9, 2294524), (12, 1720893), (17, 1214748), (18, 1147262), (34, 607374), (36, 573631), (41, 503676), (51, 404916), (68, 303687), (82, 251838), (102, 202458), (123, 167892), (153, 134972), (164, 125919), (204, 101229), (246, 83946), (306, 67486), (369, 55964), (492, 41973), (612, 33743), (697, 29628), (738, 27982), (823, 25092), (1394, 14814), (1476, 13991), (1646, 12546), (2091, 9876), (2469, 8364), (2788, 7407), (3292, 6273), (4182, 4938)]