20009595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{599}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 14204805

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 599, 655, 1797, 1965, 2227, 2995, 6681, 8985, 10183, 11135, 30549, 33405, 50915, 78469, 152745, 235407, 392345, 1177035, 1333973, 4001919, 6669865, 20009595]

約数ペア:

[(1, 20009595), (3, 6669865), (5, 4001919), (15, 1333973), (17, 1177035), (51, 392345), (85, 235407), (131, 152745), (255, 78469), (393, 50915), (599, 33405), (655, 30549), (1797, 11135), (1965, 10183), (2227, 8985), (2995, 6681)]