20558164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{709}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 18804236

約数列:

[1, 2, 4, 11, 22, 44, 659, 709, 1318, 1418, 2636, 2836, 7249, 7799, 14498, 15598, 28996, 31196, 467231, 934462, 1868924, 5139541, 10279082, 20558164]

約数ペア:

[(1, 20558164), (2, 10279082), (4, 5139541), (11, 1868924), (22, 934462), (44, 467231), (659, 31196), (709, 28996), (1318, 15598), (1418, 14498), (2636, 7799), (2836, 7249)]