20780744

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44027}}^1$

素因数の和:44092

約数の個数: 16

約数和(自身を含む): 39625200

約数和(自身を除く): 18844456

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44027, 88054, 176108, 352216, 2597593, 5195186, 10390372, 20780744]

約数ペア:

[(1, 20780744), (2, 10390372), (4, 5195186), (8, 2597593), (59, 352216), (118, 176108), (236, 88054), (472, 44027)]