16668220

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1373}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 35086464

約数和(自身を除く): 18418244

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1373, 2428, 2746, 3035, 5492, 6070, 6865, 12140, 13730, 27460, 833411, 1666822, 3333644, 4167055, 8334110, 16668220]

約数ペア:

[(1, 16668220), (2, 8334110), (4, 4167055), (5, 3333644), (10, 1666822), (20, 833411), (607, 27460), (1214, 13730), (1373, 12140), (2428, 6865), (2746, 6070), (3035, 5492)]