20123884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{761}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 38532816

約数和(自身を除く): 18408932

約数列:

[1, 2, 4, 11, 22, 44, 601, 761, 1202, 1522, 2404, 3044, 6611, 8371, 13222, 16742, 26444, 33484, 457361, 914722, 1829444, 5030971, 10061942, 20123884]

約数ペア:

[(1, 20123884), (2, 10061942), (4, 5030971), (11, 1829444), (22, 914722), (44, 457361), (601, 33484), (761, 26444), (1202, 16742), (1522, 13222), (2404, 8371), (3044, 6611)]