20478314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3877}}^1$

素因数の和:4037

約数の個数: 16

約数和(自身を含む): 32575200

約数和(自身を除く): 12096886

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3877, 5282, 7754, 73663, 147326, 538903, 1077806, 10239157, 20478314]

約数ペア:

[(1, 20478314), (2, 10239157), (19, 1077806), (38, 538903), (139, 147326), (278, 73663), (2641, 7754), (3877, 5282)]