20493014

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{521}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 31345056

約数和(自身を除く): 10852042

約数列:

[1, 2, 71, 142, 277, 521, 554, 1042, 19667, 36991, 39334, 73982, 144317, 288634, 10246507, 20493014]

約数ペア:

[(1, 20493014), (2, 10246507), (71, 288634), (142, 144317), (277, 73982), (521, 39334), (554, 36991), (1042, 19667)]