20209888905

素因数分解:

$3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1\times {\mathrm{9103}}^1$

素因数の和:9917

約数の個数: 32

約数和(自身を含む): 32515700736

約数和(自身を除く): 12305811831

約数列:

[1, 3, 5, 15, 283, 523, 849, 1415, 1569, 2615, 4245, 7845, 9103, 27309, 45515, 136545, 148009, 444027, 740045, 2220135, 2576149, 4760869, 7728447, 12880745, 14282607, 23804345, 38642235, 71413035, 1347325927, 4041977781, 6736629635, 20209888905]

約数ペア:

[(1, 20209888905), (3, 6736629635), (5, 4041977781), (15, 1347325927), (283, 71413035), (523, 38642235), (849, 23804345), (1415, 14282607), (1569, 12880745), (2615, 7728447), (4245, 4760869), (7845, 2576149), (9103, 2220135), (27309, 740045), (45515, 444027), (136545, 148009)]