20516884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 37940000

約数和(自身を除く): 17423116

約数列:

[1, 2, 4, 19, 38, 76, 499, 541, 998, 1082, 1996, 2164, 9481, 10279, 18962, 20558, 37924, 41116, 269959, 539918, 1079836, 5129221, 10258442, 20516884]

約数ペア:

[(1, 20516884), (2, 10258442), (4, 5129221), (19, 1079836), (38, 539918), (76, 269959), (499, 41116), (541, 37924), (998, 20558), (1082, 18962), (1996, 10279), (2164, 9481)]