20955982716

素因数分解:

$2^2\times 3^7\times {\mathrm{79}}^1\times {\mathrm{30323}}^1$

素因数の和:30427

約数の個数: 96

約数和(自身を含む): 55699123200

約数和(自身を除く): 34743140484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 316, 324, 474, 486, 711, 729, 948, 972, 1422, 1458, 2133, 2187, 2844, 2916, 4266, 4374, 6399, 8532, 8748, 12798, 19197, 25596, 30323, 38394, 57591, 60646, 76788, 90969, 115182, 121292, 172773, 181938, 230364, 272907, 345546, 363876, 545814, 691092, 818721, 1091628, 1637442, 2395517, 2456163, 3274884, 4791034, 4912326, 7186551, 7368489, 9582068, 9824652, 14373102, 14736978, 21559653, 22105467, 28746204, 29473956, 43119306, 44210934, 64678959, 66316401, 86238612, 88421868, 129357918, 132632802, 194036877, 258715836, 265265604, 388073754, 582110631, 776147508, 1164221262, 1746331893, 2328442524, 3492663786, 5238995679, 6985327572, 10477991358, 20955982716]

約数ペア:

[(1, 20955982716), (2, 10477991358), (3, 6985327572), (4, 5238995679), (6, 3492663786), (9, 2328442524), (12, 1746331893), (18, 1164221262), (27, 776147508), (36, 582110631), (54, 388073754), (79, 265265604), (81, 258715836), (108, 194036877), (158, 132632802), (162, 129357918), (237, 88421868), (243, 86238612), (316, 66316401), (324, 64678959), (474, 44210934), (486, 43119306), (711, 29473956), (729, 28746204), (948, 22105467), (972, 21559653), (1422, 14736978), (1458, 14373102), (2133, 9824652), (2187, 9582068), (2844, 7368489), (2916, 7186551), (4266, 4912326), (4374, 4791034), (6399, 3274884), (8532, 2456163), (8748, 2395517), (12798, 1637442), (19197, 1091628), (25596, 818721), (30323, 691092), (38394, 545814), (57591, 363876), (60646, 345546), (76788, 272907), (90969, 230364), (115182, 181938), (121292, 172773)]