20296143

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 37825200

約数和(自身を除く): 17529057

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 49, 63, 69, 87, 147, 161, 189, 203, 207, 261, 441, 483, 529, 609, 621, 667, 783, 1127, 1323, 1421, 1449, 1587, 1827, 2001, 3381, 3703, 4263, 4347, 4669, 4761, 5481, 6003, 10143, 11109, 12789, 14007, 14283, 15341, 18009, 25921, 30429, 32683, 33327, 38367, 42021, 46023, 77763, 98049, 99981, 107387, 126063, 138069, 233289, 294147, 322161, 414207, 699867, 751709, 882441, 966483, 2255127, 2899449, 6765381, 20296143]

約数ペア:

[(1, 20296143), (3, 6765381), (7, 2899449), (9, 2255127), (21, 966483), (23, 882441), (27, 751709), (29, 699867), (49, 414207), (63, 322161), (69, 294147), (87, 233289), (147, 138069), (161, 126063), (189, 107387), (203, 99981), (207, 98049), (261, 77763), (441, 46023), (483, 42021), (529, 38367), (609, 33327), (621, 32683), (667, 30429), (783, 25921), (1127, 18009), (1323, 15341), (1421, 14283), (1449, 14007), (1587, 12789), (1827, 11109), (2001, 10143), (3381, 6003), (3703, 5481), (4263, 4761), (4347, 4669)]