20278494

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1973}}^1$

素因数の和:2552

約数の個数: 24

約数和(自身を含む): 44035992

約数和(自身を除く): 23757498

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 1973, 3426, 3946, 5139, 5919, 10278, 11838, 17757, 35514, 1126583, 2253166, 3379749, 6759498, 10139247, 20278494]

約数ペア:

[(1, 20278494), (2, 10139247), (3, 6759498), (6, 3379749), (9, 2253166), (18, 1126583), (571, 35514), (1142, 17757), (1713, 11838), (1973, 10278), (3426, 5919), (3946, 5139)]