20193890

素因数分解:

$2^1\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1531}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 36400320

約数和(自身を除く): 16206430

約数列:

[1, 2, 5, 10, 1319, 1531, 2638, 3062, 6595, 7655, 13190, 15310, 2019389, 4038778, 10096945, 20193890]

約数ペア:

[(1, 20193890), (2, 10096945), (5, 4038778), (10, 2019389), (1319, 15310), (1531, 13190), (2638, 7655), (3062, 6595)]