20345085

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4001}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 35585784

約数和(自身を除く): 15240699

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4001, 5085, 12003, 20005, 36009, 60015, 180045, 452113, 1356339, 2260565, 4069017, 6781695, 20345085]

約数ペア:

[(1, 20345085), (3, 6781695), (5, 4069017), (9, 2260565), (15, 1356339), (45, 452113), (113, 180045), (339, 60015), (565, 36009), (1017, 20005), (1695, 12003), (4001, 5085)]