20003355

素因数分解:

$3^4\times 5^1\times {\mathrm{49391}}^1$

素因数の和:49408

約数の個数: 20

約数和(自身を含む): 35858592

約数和(自身を除く): 15855237

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49391, 148173, 246955, 444519, 740865, 1333557, 2222595, 4000671, 6667785, 20003355]

約数ペア:

[(1, 20003355), (3, 6667785), (5, 4000671), (9, 2222595), (15, 1333557), (27, 740865), (45, 444519), (81, 246955), (135, 148173), (405, 49391)]