20286315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21467}}^1$

素因数の和:21488

約数の個数: 32

約数和(自身を含む): 41218560

約数和(自身を除く): 20932245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21467, 64401, 107335, 150269, 193203, 322005, 450807, 579609, 751345, 966015, 1352421, 2254035, 2898045, 4057263, 6762105, 20286315]

約数ペア:

[(1, 20286315), (3, 6762105), (5, 4057263), (7, 2898045), (9, 2254035), (15, 1352421), (21, 966015), (27, 751345), (35, 579609), (45, 450807), (63, 322005), (105, 193203), (135, 150269), (189, 107335), (315, 64401), (945, 21467)]