20868304

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2971}}^1$

素因数の和:3418

約数の個数: 20

約数和(自身を含む): 40538080

約数和(自身を除く): 19669776

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2971, 3512, 5942, 7024, 11884, 23768, 47536, 1304269, 2608538, 5217076, 10434152, 20868304]

約数ペア:

[(1, 20868304), (2, 10434152), (4, 5217076), (8, 2608538), (16, 1304269), (439, 47536), (878, 23768), (1756, 11884), (2971, 7024), (3512, 5942)]