20727378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164503}}^1$

素因数の和:164518

約数の個数: 24

約数和(自身を含む): 51325248

約数和(自身を除く): 30597870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164503, 329006, 493509, 987018, 1151521, 1480527, 2303042, 2961054, 3454563, 6909126, 10363689, 20727378]

約数ペア:

[(1, 20727378), (2, 10363689), (3, 6909126), (6, 3454563), (7, 2961054), (9, 2303042), (14, 1480527), (18, 1151521), (21, 987018), (42, 493509), (63, 329006), (126, 164503)]