20055315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{467}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 16785645

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 409, 467, 1227, 1401, 2045, 2335, 2863, 3269, 6135, 7005, 8589, 9807, 14315, 16345, 42945, 49035, 191003, 573009, 955015, 1337021, 2865045, 4011063, 6685105, 20055315]

約数ペア:

[(1, 20055315), (3, 6685105), (5, 4011063), (7, 2865045), (15, 1337021), (21, 955015), (35, 573009), (105, 191003), (409, 49035), (467, 42945), (1227, 16345), (1401, 14315), (2045, 9807), (2335, 8589), (2863, 7005), (3269, 6135)]