20100049

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 21387520

約数和(自身を除く): 1287471

約数列:

[1, 43, 61, 79, 97, 2623, 3397, 4171, 4819, 5917, 7663, 207217, 254431, 329509, 467443, 20100049]

約数ペア:

[(1, 20100049), (43, 467443), (61, 329509), (79, 254431), (97, 207217), (2623, 7663), (3397, 5917), (4171, 4819)]