20328975

素因数分解:

$3^4\times 5^2\times {\mathrm{10039}}^1$

素因数の和:10061

約数の個数: 30

約数和(自身を含む): 37660040

約数和(自身を除く): 17331065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10039, 30117, 50195, 90351, 150585, 250975, 271053, 451755, 752925, 813159, 1355265, 2258775, 4065795, 6776325, 20328975]

約数ペア:

[(1, 20328975), (3, 6776325), (5, 4065795), (9, 2258775), (15, 1355265), (25, 813159), (27, 752925), (45, 451755), (75, 271053), (81, 250975), (135, 150585), (225, 90351), (405, 50195), (675, 30117), (2025, 10039)]