20613540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{343559}}^1$

素因数の和:343571

約数の個数: 24

約数和(自身を含む): 57718080

約数和(自身を除く): 37104540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 343559, 687118, 1030677, 1374236, 1717795, 2061354, 3435590, 4122708, 5153385, 6871180, 10306770, 20613540]

約数ペア:

[(1, 20613540), (2, 10306770), (3, 6871180), (4, 5153385), (5, 4122708), (6, 3435590), (10, 2061354), (12, 1717795), (15, 1374236), (20, 1030677), (30, 687118), (60, 343559)]