20070855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 41518080

約数和(自身を除く): 21447225

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 105, 135, 189, 201, 315, 317, 335, 469, 603, 945, 951, 1005, 1407, 1585, 1809, 2219, 2345, 2853, 3015, 4221, 4755, 6657, 7035, 8559, 9045, 11095, 12663, 14265, 19971, 21105, 21239, 33285, 42795, 59913, 63315, 63717, 99855, 106195, 148673, 191151, 299565, 318585, 446019, 573453, 743365, 955755, 1338057, 2230095, 2867265, 4014171, 6690285, 20070855]

約数ペア:

[(1, 20070855), (3, 6690285), (5, 4014171), (7, 2867265), (9, 2230095), (15, 1338057), (21, 955755), (27, 743365), (35, 573453), (45, 446019), (63, 318585), (67, 299565), (105, 191151), (135, 148673), (189, 106195), (201, 99855), (315, 63717), (317, 63315), (335, 59913), (469, 42795), (603, 33285), (945, 21239), (951, 21105), (1005, 19971), (1407, 14265), (1585, 12663), (1809, 11095), (2219, 9045), (2345, 8559), (2853, 7035), (3015, 6657), (4221, 4755)]