20017997572

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{2543}}^1\times {\mathrm{5059}}^1$

素因数の和:7995

約数の個数: 24

約数和(自身を含む): 35142307200

約数和(自身を除く): 15124309628

約数列:

[1, 2, 4, 389, 778, 1556, 2543, 5059, 5086, 10118, 10172, 20236, 989227, 1967951, 1978454, 3935902, 3956908, 7871804, 12865037, 25730074, 51460148, 5004499393, 10008998786, 20017997572]

約数ペア:

[(1, 20017997572), (2, 10008998786), (4, 5004499393), (389, 51460148), (778, 25730074), (1556, 12865037), (2543, 7871804), (5059, 3956908), (5086, 3935902), (10118, 1978454), (10172, 1967951), (20236, 989227)]