2020009719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389437}}^1$

素因数の和:389479

約数の個数: 32

約数和(自身を含む): 3489364480

約数和(自身を除く): 1469354761

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 389437, 1168311, 2726059, 5062681, 7399303, 8178177, 15188043, 22197909, 35438767, 51795121, 96190939, 106316301, 155385363, 288572817, 673336573, 2020009719]

約数ペア:

[(1, 2020009719), (3, 673336573), (7, 288572817), (13, 155385363), (19, 106316301), (21, 96190939), (39, 51795121), (57, 35438767), (91, 22197909), (133, 15188043), (247, 8178177), (273, 7399303), (399, 5062681), (741, 2726059), (1729, 1168311), (5187, 389437)]