20819546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1699}}^1$

素因数の和:2269

約数の個数: 16

約数和(自身を含む): 34149600

約数和(自身を除く): 13330054

約数列:

[1, 2, 11, 22, 557, 1114, 1699, 3398, 6127, 12254, 18689, 37378, 946343, 1892686, 10409773, 20819546]

約数ペア:

[(1, 20819546), (2, 10409773), (11, 1892686), (22, 946343), (557, 37378), (1114, 18689), (1699, 12254), (3398, 6127)]