20109830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154691}}^1$

素因数の和:154711

約数の個数: 16

約数和(自身を含む): 38982384

約数和(自身を除く): 18872554

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154691, 309382, 773455, 1546910, 2010983, 4021966, 10054915, 20109830]

約数ペア:

[(1, 20109830), (2, 10054915), (5, 4021966), (10, 2010983), (13, 1546910), (26, 773455), (65, 309382), (130, 154691)]