20225835

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23319765

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1259, 1785, 2295, 3213, 3777, 5355, 6295, 8813, 11331, 16065, 18885, 21403, 26439, 33993, 44065, 56655, 64209, 79317, 107015, 132195, 149821, 169965, 192627, 237951, 321045, 396585, 449463, 577881, 749105, 963135, 1189755, 1348389, 2247315, 2889405, 4045167, 6741945, 20225835]

約数ペア:

[(1, 20225835), (3, 6741945), (5, 4045167), (7, 2889405), (9, 2247315), (15, 1348389), (17, 1189755), (21, 963135), (27, 749105), (35, 577881), (45, 449463), (51, 396585), (63, 321045), (85, 237951), (105, 192627), (119, 169965), (135, 149821), (153, 132195), (189, 107015), (255, 79317), (315, 64209), (357, 56655), (459, 44065), (595, 33993), (765, 26439), (945, 21403), (1071, 18885), (1259, 16065), (1785, 11331), (2295, 8813), (3213, 6295), (3777, 5355)]