20135290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 41598720

約数和(自身を除く): 21463430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 919, 1565, 1838, 2191, 3130, 4382, 4595, 6433, 9190, 10955, 12866, 21910, 32165, 64330, 287647, 575294, 1438235, 2013529, 2876470, 4027058, 10067645, 20135290]

約数ペア:

[(1, 20135290), (2, 10067645), (5, 4027058), (7, 2876470), (10, 2013529), (14, 1438235), (35, 575294), (70, 287647), (313, 64330), (626, 32165), (919, 21910), (1565, 12866), (1838, 10955), (2191, 9190), (3130, 6433), (4382, 4595)]