20609518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12109}}^1$

素因数の和:12171

約数の個数: 16

約数和(自身を含む): 33132960

約数和(自身を除く): 12523442

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12109, 24218, 278507, 448033, 557014, 896066, 10304759, 20609518]

約数ペア:

[(1, 20609518), (2, 10304759), (23, 896066), (37, 557014), (46, 448033), (74, 278507), (851, 24218), (1702, 12109)]