20093697

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 15387903

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 117, 131, 171, 207, 247, 299, 351, 393, 437, 513, 621, 741, 897, 1179, 1311, 1703, 2223, 2489, 2691, 3013, 3537, 3933, 5109, 5681, 6669, 7467, 8073, 9039, 11799, 15327, 17043, 22401, 27117, 32357, 39169, 45981, 51129, 57247, 67203, 81351, 97071, 117507, 153387, 171741, 291213, 352521, 515223, 744211, 873639, 1057563, 1545669, 2232633, 6697899, 20093697]

約数ペア:

[(1, 20093697), (3, 6697899), (9, 2232633), (13, 1545669), (19, 1057563), (23, 873639), (27, 744211), (39, 515223), (57, 352521), (69, 291213), (117, 171741), (131, 153387), (171, 117507), (207, 97071), (247, 81351), (299, 67203), (351, 57247), (393, 51129), (437, 45981), (513, 39169), (621, 32357), (741, 27117), (897, 22401), (1179, 17043), (1311, 15327), (1703, 11799), (2223, 9039), (2489, 8073), (2691, 7467), (3013, 6669), (3537, 5681), (3933, 5109)]