20784434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20101}}^1$

素因数の和:20161

約数の個数: 16

約数和(自身を含む): 34736256

約数和(自身を除く): 13951822

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20101, 40202, 221111, 442222, 944747, 1889494, 10392217, 20784434]

約数ペア:

[(1, 20784434), (2, 10392217), (11, 1889494), (22, 944747), (47, 442222), (94, 221111), (517, 40202), (1034, 20101)]