20057457

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1543}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 30632960

約数和(自身を除く): 10575503

約数列:

[1, 3, 7, 21, 619, 1543, 1857, 4333, 4629, 10801, 12999, 32403, 955117, 2865351, 6685819, 20057457]

約数ペア:

[(1, 20057457), (3, 6685819), (7, 2865351), (21, 955117), (619, 32403), (1543, 12999), (1857, 10801), (4333, 4629)]