20147460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11579}}^1$

素因数の和:11620

約数の個数: 48

約数和(自身を含む): 58363200

約数和(自身を除く): 38215740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11579, 23158, 34737, 46316, 57895, 69474, 115790, 138948, 173685, 231580, 335791, 347370, 671582, 694740, 1007373, 1343164, 1678955, 2014746, 3357910, 4029492, 5036865, 6715820, 10073730, 20147460]

約数ペア:

[(1, 20147460), (2, 10073730), (3, 6715820), (4, 5036865), (5, 4029492), (6, 3357910), (10, 2014746), (12, 1678955), (15, 1343164), (20, 1007373), (29, 694740), (30, 671582), (58, 347370), (60, 335791), (87, 231580), (116, 173685), (145, 138948), (174, 115790), (290, 69474), (348, 57895), (435, 46316), (580, 34737), (870, 23158), (1740, 11579)]