20956572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6397}}^1$

素因数の和:6427

約数の個数: 72

約数和(自身を含む): 65208416

約数和(自身を除く): 44251844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6397, 12794, 19191, 25588, 38382, 44779, 57573, 76764, 83161, 89558, 115146, 134337, 166322, 179116, 230292, 249483, 268674, 332644, 403011, 498966, 537348, 582127, 748449, 806022, 997932, 1164254, 1496898, 1612044, 1746381, 2328508, 2993796, 3492762, 5239143, 6985524, 10478286, 20956572]

約数ペア:

[(1, 20956572), (2, 10478286), (3, 6985524), (4, 5239143), (6, 3492762), (7, 2993796), (9, 2328508), (12, 1746381), (13, 1612044), (14, 1496898), (18, 1164254), (21, 997932), (26, 806022), (28, 748449), (36, 582127), (39, 537348), (42, 498966), (52, 403011), (63, 332644), (78, 268674), (84, 249483), (91, 230292), (117, 179116), (126, 166322), (156, 134337), (182, 115146), (234, 89558), (252, 83161), (273, 76764), (364, 57573), (468, 44779), (546, 38382), (819, 25588), (1092, 19191), (1638, 12794), (3276, 6397)]