20719250

素因数分解:

$2^1\times 5^3\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 18368110

約数列:

[1, 2, 5, 10, 25, 50, 125, 179, 250, 358, 463, 895, 926, 1790, 2315, 4475, 4630, 8950, 11575, 22375, 23150, 44750, 57875, 82877, 115750, 165754, 414385, 828770, 2071925, 4143850, 10359625, 20719250]

約数ペア:

[(1, 20719250), (2, 10359625), (5, 4143850), (10, 2071925), (25, 828770), (50, 414385), (125, 165754), (179, 115750), (250, 82877), (358, 57875), (463, 44750), (895, 23150), (926, 22375), (1790, 11575), (2315, 8950), (4475, 4630)]