20092911

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 9179409

約数列:

[1, 3, 29, 41, 43, 87, 123, 129, 131, 393, 1189, 1247, 1763, 3567, 3741, 3799, 5289, 5371, 5633, 11397, 16113, 16899, 51127, 153381, 155759, 163357, 230953, 467277, 490071, 692859, 6697637, 20092911]

約数ペア:

[(1, 20092911), (3, 6697637), (29, 692859), (41, 490071), (43, 467277), (87, 230953), (123, 163357), (129, 155759), (131, 153381), (393, 51127), (1189, 16899), (1247, 16113), (1763, 11397), (3567, 5633), (3741, 5371), (3799, 5289)]