11988220

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1607}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 25258464

約数和(自身を除く): 13270244

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1607, 1865, 3214, 3730, 6428, 7460, 8035, 16070, 32140, 599411, 1198822, 2397644, 2997055, 5994110, 11988220]

約数ペア:

[(1, 11988220), (2, 5994110), (4, 2997055), (5, 2397644), (10, 1198822), (20, 599411), (373, 32140), (746, 16070), (1492, 8035), (1607, 7460), (1865, 6428), (3214, 3730)]