20969638

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 32495760

約数和(自身を除く): 11526122

約数列:

[1, 2, 43, 86, 109, 218, 2237, 4474, 4687, 9374, 96191, 192382, 243833, 487666, 10484819, 20969638]

約数ペア:

[(1, 20969638), (2, 10484819), (43, 487666), (86, 243833), (109, 192382), (218, 96191), (2237, 9374), (4474, 4687)]