20163034520

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{494677}}^1$

素因数の和:495707

約数の個数: 32

約数和(自身を含む): 45411440400

約数和(自身を除く): 25248405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 5095, 8152, 10190, 20380, 40760, 494677, 989354, 1978708, 2473385, 3957416, 4946770, 9893540, 19787080, 504075863, 1008151726, 2016303452, 2520379315, 4032606904, 5040758630, 10081517260, 20163034520]

約数ペア:

[(1, 20163034520), (2, 10081517260), (4, 5040758630), (5, 4032606904), (8, 2520379315), (10, 2016303452), (20, 1008151726), (40, 504075863), (1019, 19787080), (2038, 9893540), (4076, 4946770), (5095, 3957416), (8152, 2473385), (10190, 1978708), (20380, 989354), (40760, 494677)]