20805528

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33626472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 167, 174, 179, 232, 334, 348, 358, 501, 537, 668, 696, 716, 1002, 1074, 1336, 1432, 2004, 2148, 4008, 4296, 4843, 5191, 9686, 10382, 14529, 15573, 19372, 20764, 29058, 29893, 31146, 38744, 41528, 58116, 59786, 62292, 89679, 116232, 119572, 124584, 179358, 239144, 358716, 717432, 866897, 1733794, 2600691, 3467588, 5201382, 6935176, 10402764, 20805528]

約数ペア:

[(1, 20805528), (2, 10402764), (3, 6935176), (4, 5201382), (6, 3467588), (8, 2600691), (12, 1733794), (24, 866897), (29, 717432), (58, 358716), (87, 239144), (116, 179358), (167, 124584), (174, 119572), (179, 116232), (232, 89679), (334, 62292), (348, 59786), (358, 58116), (501, 41528), (537, 38744), (668, 31146), (696, 29893), (716, 29058), (1002, 20764), (1074, 19372), (1336, 15573), (1432, 14529), (2004, 10382), (2148, 9686), (4008, 5191), (4296, 4843)]