20615880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171799}}^1$

素因数の和:171813

約数の個数: 32

約数和(自身を含む): 61848000

約数和(自身を除く): 41232120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171799, 343598, 515397, 687196, 858995, 1030794, 1374392, 1717990, 2061588, 2576985, 3435980, 4123176, 5153970, 6871960, 10307940, 20615880]

約数ペア:

[(1, 20615880), (2, 10307940), (3, 6871960), (4, 5153970), (5, 4123176), (6, 3435980), (8, 2576985), (10, 2061588), (12, 1717990), (15, 1374392), (20, 1030794), (24, 858995), (30, 687196), (40, 515397), (60, 343598), (120, 171799)]