20197815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{733}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 35513856

約数和(自身を除く): 15316041

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 167, 501, 733, 835, 1837, 2199, 2505, 3665, 5511, 8063, 9185, 10995, 24189, 27555, 40315, 120945, 122411, 367233, 612055, 1346521, 1836165, 4039563, 6732605, 20197815]

約数ペア:

[(1, 20197815), (3, 6732605), (5, 4039563), (11, 1836165), (15, 1346521), (33, 612055), (55, 367233), (165, 122411), (167, 120945), (501, 40315), (733, 27555), (835, 24189), (1837, 10995), (2199, 9185), (2505, 8063), (3665, 5511)]