20558626

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7723}}^1$

素因数の和:7758

約数の個数: 16

約数和(自身を含む): 33923808

約数和(自身を除く): 13365182

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7723, 15446, 84953, 169906, 934483, 1868966, 10279313, 20558626]

約数ペア:

[(1, 20558626), (2, 10279313), (11, 1868966), (22, 934483), (121, 169906), (242, 84953), (1331, 15446), (2662, 7723)]