39996620

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1823}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 84115584

約数和(自身を除く): 44118964

約数列:

[1, 2, 4, 5, 10, 20, 1097, 1823, 2194, 3646, 4388, 5485, 7292, 9115, 10970, 18230, 21940, 36460, 1999831, 3999662, 7999324, 9999155, 19998310, 39996620]

約数ペア:

[(1, 39996620), (2, 19998310), (4, 9999155), (5, 7999324), (10, 3999662), (20, 1999831), (1097, 36460), (1823, 21940), (2194, 18230), (3646, 10970), (4388, 9115), (5485, 7292)]