20587982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1223}}^1$

素因数の和:1687

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 12019378

約数列:

[1, 2, 19, 38, 443, 886, 1223, 2446, 8417, 16834, 23237, 46474, 541789, 1083578, 10293991, 20587982]

約数ペア:

[(1, 20587982), (2, 10293991), (19, 1083578), (38, 541789), (443, 46474), (886, 23237), (1223, 16834), (2446, 8417)]