20438358

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26003}}^1$

素因数の和:26139

約数の個数: 16

約数和(自身を含む): 41190336

約数和(自身を除く): 20751978

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26003, 52006, 78009, 156018, 3406393, 6812786, 10219179, 20438358]

約数ペア:

[(1, 20438358), (2, 10219179), (3, 6812786), (6, 3406393), (131, 156018), (262, 78009), (393, 52006), (786, 26003)]