220688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1061}}^1$

素因数の和:1082

約数の個数: 20

約数和(自身を含む): 460908

約数和(自身を除く): 240220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1061, 2122, 4244, 8488, 13793, 16976, 27586, 55172, 110344, 220688]

約数ペア:

[(1, 220688), (2, 110344), (4, 55172), (8, 27586), (13, 16976), (16, 13793), (26, 8488), (52, 4244), (104, 2122), (208, 1061)]