20218561605

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{12277}}^1$

素因数の和:13411

約数の個数: 64

約数和(自身を含む): 39250310400

約数和(自身を除く): 19031748795

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1109, 1485, 3327, 5545, 9981, 12199, 12277, 16635, 29943, 36597, 36831, 49905, 60995, 61385, 109791, 110493, 135047, 149715, 182985, 184155, 329373, 331479, 405141, 548955, 552465, 675235, 1215423, 1646865, 1657395, 2025705, 3646269, 6077115, 13615193, 18231345, 40845579, 68075965, 122536737, 149767123, 204227895, 367610211, 449301369, 612683685, 748835615, 1347904107, 1838051055, 2246506845, 4043712321, 6739520535, 20218561605]

約数ペア:

[(1, 20218561605), (3, 6739520535), (5, 4043712321), (9, 2246506845), (11, 1838051055), (15, 1347904107), (27, 748835615), (33, 612683685), (45, 449301369), (55, 367610211), (99, 204227895), (135, 149767123), (165, 122536737), (297, 68075965), (495, 40845579), (1109, 18231345), (1485, 13615193), (3327, 6077115), (5545, 3646269), (9981, 2025705), (12199, 1657395), (12277, 1646865), (16635, 1215423), (29943, 675235), (36597, 552465), (36831, 548955), (49905, 405141), (60995, 331479), (61385, 329373), (109791, 184155), (110493, 182985), (135047, 149715)]