20497744

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4093}}^1$

素因数の和:4414

約数の個数: 20

約数和(自身を含む): 39850996

約数和(自身を除く): 19353252

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4093, 5008, 8186, 16372, 32744, 65488, 1281109, 2562218, 5124436, 10248872, 20497744]

約数ペア:

[(1, 20497744), (2, 10248872), (4, 5124436), (8, 2562218), (16, 1281109), (313, 65488), (626, 32744), (1252, 16372), (2504, 8186), (4093, 5008)]