20178038781

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{36754169}}^1$

素因数の和:36754236

約数の個数: 12

約数和(自身を含む): 29623861020

約数和(自身を除く): 9445822239

約数列:

[1, 3, 9, 61, 183, 549, 36754169, 110262507, 330787521, 2242004309, 6726012927, 20178038781]

約数ペア:

[(1, 20178038781), (3, 6726012927), (9, 2242004309), (61, 330787521), (183, 110262507), (549, 36754169)]