20435854

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 31355136

約数和(自身を除く): 10919282

約数列:

[1, 2, 61, 122, 191, 382, 877, 1754, 11651, 23302, 53497, 106994, 167507, 335014, 10217927, 20435854]

約数ペア:

[(1, 20435854), (2, 10217927), (61, 335014), (122, 167507), (191, 106994), (382, 53497), (877, 23302), (1754, 11651)]