20658946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 38919168

約数和(自身を除く): 18260222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 163, 326, 823, 1141, 1646, 1793, 2282, 3586, 5761, 9053, 11522, 12551, 18106, 25102, 63371, 126742, 134149, 268298, 939043, 1475639, 1878086, 2951278, 10329473, 20658946]

約数ペア:

[(1, 20658946), (2, 10329473), (7, 2951278), (11, 1878086), (14, 1475639), (22, 939043), (77, 268298), (154, 134149), (163, 126742), (326, 63371), (823, 25102), (1141, 18106), (1646, 12551), (1793, 11522), (2282, 9053), (3586, 5761)]