20554884

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 168

約数和(自身を含む): 66104640

約数和(自身を除く): 45549756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 53, 54, 57, 63, 76, 81, 84, 106, 108, 114, 126, 133, 159, 162, 171, 189, 212, 228, 243, 252, 266, 318, 324, 342, 371, 378, 399, 477, 486, 513, 532, 567, 636, 684, 729, 742, 756, 798, 954, 972, 1007, 1026, 1113, 1134, 1197, 1431, 1458, 1484, 1539, 1596, 1701, 1908, 2014, 2052, 2226, 2268, 2394, 2862, 2916, 3021, 3078, 3339, 3402, 3591, 4028, 4293, 4452, 4617, 4788, 5103, 5724, 6042, 6156, 6678, 6804, 7049, 7182, 8586, 9063, 9234, 10017, 10206, 10773, 12084, 12879, 13356, 13851, 14098, 14364, 17172, 18126, 18468, 20034, 20412, 21147, 21546, 25758, 27189, 27702, 28196, 30051, 32319, 36252, 38637, 40068, 42294, 43092, 51516, 54378, 55404, 60102, 63441, 64638, 77274, 81567, 84588, 90153, 96957, 108756, 120204, 126882, 129276, 154548, 163134, 180306, 190323, 193914, 244701, 253764, 270459, 326268, 360612, 380646, 387828, 489402, 540918, 570969, 734103, 761292, 978804, 1081836, 1141938, 1468206, 1712907, 2283876, 2936412, 3425814, 5138721, 6851628, 10277442, 20554884]

約数ペア:

[(1, 20554884), (2, 10277442), (3, 6851628), (4, 5138721), (6, 3425814), (7, 2936412), (9, 2283876), (12, 1712907), (14, 1468206), (18, 1141938), (19, 1081836), (21, 978804), (27, 761292), (28, 734103), (36, 570969), (38, 540918), (42, 489402), (53, 387828), (54, 380646), (57, 360612), (63, 326268), (76, 270459), (81, 253764), (84, 244701), (106, 193914), (108, 190323), (114, 180306), (126, 163134), (133, 154548), (159, 129276), (162, 126882), (171, 120204), (189, 108756), (212, 96957), (228, 90153), (243, 84588), (252, 81567), (266, 77274), (318, 64638), (324, 63441), (342, 60102), (371, 55404), (378, 54378), (399, 51516), (477, 43092), (486, 42294), (513, 40068), (532, 38637), (567, 36252), (636, 32319), (684, 30051), (729, 28196), (742, 27702), (756, 27189), (798, 25758), (954, 21546), (972, 21147), (1007, 20412), (1026, 20034), (1113, 18468), (1134, 18126), (1197, 17172), (1431, 14364), (1458, 14098), (1484, 13851), (1539, 13356), (1596, 12879), (1701, 12084), (1908, 10773), (2014, 10206), (2052, 10017), (2226, 9234), (2268, 9063), (2394, 8586), (2862, 7182), (2916, 7049), (3021, 6804), (3078, 6678), (3339, 6156), (3402, 6042), (3591, 5724), (4028, 5103), (4293, 4788), (4452, 4617)]